Chapter 2 - 2

1

Which recommended security practice prevents attackers from performing password recovery on a Cisco IOS router for the purpose of gaining access to the privileged EXEC mode?

Keep a secure copy of the router Cisco IOS image and router configuration file as a backup.

Disable all unused ports and interfaces to reduce the number of ways that the router can be accessed.

Configure secure administrative control to ensure that only authorized personnel can access the router.

Locate the router in a secure locked room that is accessible only to authorized personnel.

Provision the router with the maximum amount of memory possible.

2

What are two characteristics of the SDM Security Audit wizard? (Choose two.)

It uses interactive dialogs and prompts to implement AAA.

It automatically enables Cisco IOS firewall and implements Cisco IOS IPS security configurations to secure the router.

It displays a screen with Fix-it check boxes to let you choose which potential security-related configuration changes to implement.

It requires users to first identify which router interfaces connect to the inside network and which connect to the outside network.

It is initiated from CLI and executes a script in which the managment plane functions and forwarding plane services are tested against known vulnerabilities.

3

An administrator needs to create a user account with custom access to most privileged EXEC commands. Which privilege command is used to create this custom account?

privilege exec level 0

privilege exec level 1

privilege exec level 2

privilege exec level 15

4

Which three options can be configured by Cisco AutoSecure? (Choose three.)

CBAC

SNMP

syslog

security banner

interface IP address

enable secret password

5

Refer to the exhibit. Based on the output of the show running-config command, which type of view is SUPPORT?

secret view, with a level 5 encrypted password

root view, with a level 5 encrypted secret password

superview, containing SHOWVIEW and VERIFYVIEW views

CLI view, containing SHOWVIEW and VERIFYVIEW commands

6

Which three services on a router does Cisco SDM One-Step Lockdown enable? (Choose three.)

SNMP

TCP intercepts

SSH access to the router - Answer

Cisco Discovery Protocol

password encryption service - Answer

firewall on all outside interfaces - Answer

7

Which two characteristics apply to Role-Based CLI Access superviews? (Choose two.)

CLI views have passwords, but superviews do not have passwords.

Users logged in to a superview can access all commands specified within the associated CLI views.

A single superview can be shared among multiple CLI views.

Commands cannot be configured for a specific superview.

Deleting a superview deletes all associated CLI views.

8

Which statement describes the operation of the Cisco SDM Security Audit wizard?

The wizard configures a router to prevent unauthorized access.

The wizard compares a router configuration against recommended settings. - Answer

The wizard monitors network data and logs possible unauthorized or malicious traffic.

The wizard logs the effectiveness of network security measures for baseline comparisons.

9

Which set of commands are required to create a username of admin, hash the password using MD5, and force the router to access the internal username database when a user attempts to access the console?

R1(config)# username admin password Admin01pa55

R1(config)# line con 0

R1(config-line)# login local

R1(config)# username admin password Admin01pa55

R1(config)# line con 0

R1(config-line)# login internal

R1(config)# username admin Admin01pa55 encr md5

R1(config)# line con 0

R1(config-line)# login local

R1(config)# username admin secret Admin01pa55

R1(config)# line con 0

R1(config-line)# login local

R1(config)# username admin secret Admin01pa55

R1(config)# line con 0

R1(config-line)# login internal

10

What is the minimum recommended modulus key length for keys generated to use with SSH?

256

512

768

1024

2048

11

Refer to the exhibit. What two facts can be determined from the output? (Choose two.)

The Cisco IOS image and configuration files have been properly secured.

ROMmon mode will be inaccessible upon entering the privileged EXEC reload command.

The Cisco IOS Resilient Configuration feature is enabled.

The Cisco IOS Resilient Configuration feature has detected an image version mismatch.

The Cisco IOS configuration files have been erased.

12

Refer to the exhibit. What is the significance of secret 5 in the generated output?

The ADMIN password is encrypted using DH group 5.

The ADMIN password is encrypted via the service password-encryption command.

The ADMIN password is hashed using MD5.

The ADMIN password is hashed using SHA.

13

By default, how many seconds of delay between virtual login attempts is invoked when the login block-for command is configured?

one

two

three

four

five

14

What are two characteristics of SNMP community strings? (Choose two.)

A vulnerability of SNMPv1, SNMPv2, and SNMPv3 is that they send the community strings in plaintext.

Commonly known community strings should be used when configuring secure SNMP.

If the manager sends one of the correct read-only community strings, it can get information and set information in an agent.

SNMP read-only community strings can be used to get information from an SNMP-enabled device.

SNMP read-write community strings can be used to set information on an SNMP-enabled device.

15

Which statement matches the CLI commands to the SDM wizard that performs similar configuration functions?

aaa configuration commands and the SDM Basic Firewall wizard

auto secure privileged EXEC command and the SDM One-Step Lockdown wizard

class-maps, policy-maps, and service-policy configuration commands and the SDM IPS wizard

setup privileged EXEC command and the SDM Security Audit wizard

16

Refer to the exhibit. What two pieces of information can be gathered from the generated message? (Choose two.)

This message is a level five notification message.

This message appeared because a minor error occurred requiring further investigation.

This message appeared because a major error occurred requiring immediate action.

This message indicates that service timestamps have been globally enabled.

This message indicates that enhanced security was configured on the vty ports.

17

Refer to the exhibit. Routers R1 and R2 are connected via a serial link. One router is configured as the NTP master, and the other is an NTP client. Which two pieces of information can be obtained from the partial output of the show ntp associations detail command on R2? (Choose two.)

Both routers are configured to use NTPv2.

Router R1 is the master, and R2 is the client.

Router R2 is the master, and R1 is the client.

The IP address of R1 is 192.168.1.2.

The IP address of R2 is 192.168.1.2.

18

Refer to the exhibit. Which statement regarding the JR-Admin account is true?

JR-Admin can issue show, ping, and reload commands.

JR-Admin can issue ping and reload commands.

JR-Admin can issue only ping commands.

JR-Admin can issue debug and reload commands.

JR-Admin cannot issue any command because the privilege level does not match one of those defined.

19

Which three commands are required to restore a primary bootset from a secure archive on a router on which Cisco IOS resilience is enabled? (Choose three.)

Restart the router in ROM monitor mode and display the secure bootset Cisco IOS image name using the dir command.

Restart the router, enter privileged EXEC mode, and display the secure bootset Cisco IOS image name using the show flash command.

Boot the secure bootset Cisco IOS image using the boot command with the filename.

Copy the secure bootset Cisco IOS image to flash using the copy IOS-backup-image flash command.

Restore the secure configuration file using the copy config-backup flash command.

Restore the secure configuration file using the secure boot-config restore filename command.

20

Which service is enabled on a Cisco router by default that can reveal significant information about the router and potentially make it more vulnerable to attack?

HTTP

CDP - Answer

FTP

NTP

TFTP

21

Which two operations are required to implement Cisco SDM One-Step Lockdown? (Choose two.)

Choose the One-Step Lockdown feature. - Answer

Apply the documented network policies.

Deliver the configuration changes to the router. - Answer

Compare the router configuration against recommended settings.

Select the Firewall and ACL task on the SDM Configuration screen.

22

If AAA is already enabled, which three CLI steps are required to configure a router with a specific view? (Choose three.)

assign a secret password to the view

assign commands to the view

assign users who can use the view

associate the view with the root view

create a superview using the parser view view-name command

create a view using the parser viewview-name command

23

Which three areas of router security must be maintained to secure an edge router at the network perimeter? (Choose three.)

physical security

flash security

operating system security

remote access security

router hardening

zone isolation

24

What are three requirements that must be met if an administrator wants to maintain device configurations via secure in-band management? (Choose three.)

network devices configured to accommodate SSH

a separate network segment connecting all management devices

at least one router acting as a terminal server

encryption of all remote access management traffic

connection to network devices through a production network or the Internet

direct access to the console ports of all network devices

25

An administrator defined a local user account with a secret password on router R1 for use with SSH. Which three additional steps are required to configure R1 to accept only encrypted SSH connections? (Choose three.)

configure the IP domain name on the router

enable inbound vty Telnet sessions

generate the SSH keys

configure DNS on the router

enable inbound vty SSH sessions

generate two-way pre-shared keys

26

Refer to the exhibit. Which two statements describe the current SDM logging setup? (Choose two.)

Buffered logging will be enabled on the router for Logging Level 7 messages.

Buffered logging will be enabled on the syslog server for Logging Level 7 messages.

All messages with a trap level of 4 and higher (less critical) will be logged.

All messages with a trap level of 4 and lower (more critical) will be logged.

The router interface IP address that is connected to the syslog server is 192.168.1.3.

The syslog server IP address is 192.168.1.3.

Chapter 2 - 1

1.What are two characteristics of the SDM Security Audit wizard? (Choose two.)
(A)It uses interactive dialogs and prompts to implement AAA.
(B)It automatically enables Cisco IOS firewall and implements Cisco IOS IPS security configurations to secure the router.
(C)It displays a screen with Fix-it check boxes to let you choose which potential security-related configuration changes to implement. - Answer
(D)It requires users to first identify which router interfaces connect to the inside network and which connect to the outside network. - Answer
(E)It is initiated from CLI and executes a script in which the managment plane functions and forwarding plane services are tested against known vulnerabilities.

2.Which statement matches the CLI commands to the SDM wizard that performs similar configuration functions?
(A)aaa configuration commands and the SDM Basic Firewall wizard
(B)auto secure privileged EXEC command and the SDM One-Step Lockdown wizard - Answer
(C)class-maps, policy-maps, and service-policy configuration commands and the SDM IPS wizard
(D)setup privileged EXEC command and the SDM Security Audit wizard

3.Refer to the exhibit. What is the significance of secret 5 in the generated output?

(A)The ADMIN password is encrypted using DH group 5.
(B)The ADMIN password is encrypted via the service password-encryption command.
(C)The ADMIN password is hashed using MD5. - Answer
(D)The ADMIN password is hashed using SHA.

4.Refer to the exhibit. Which two statements describe the current SDM logging setup? (Choose two.)

(A)Buffered logging will be enabled on the router for Logging Level 7 messages.
(B)Buffered logging will be enabled on the syslog server for Logging Level 7 messages.
(C)All messages with a trap level of 4 and higher (less critical) will be logged.
(D)All messages with a trap level of 4 and lower (more critical) will be logged. - Answer
(E)The router interface IP address that is connected to the syslog server is 192.168.1.3.
(F)The syslog server IP address is 192.168.1.3. - Answer

5.Refer to the exhibit. What two pieces of information can be gathered from the generated message? (Choose two.)

(A)This message is a level five notification message. - Answer
(B)This message appeared because a minor error occurred requiring further investigation.
(C)This message appeared because a major error occurred requiring immediate action.
(D)This message indicates that service timestamps have been globally enabled. - Answer
(E)This message indicates that enhanced security was configured on the vty ports.

6.Which three areas of router security must be maintained to secure an edge router at the network perimeter? (Choose three.)
(A)Physical security - Answer
(B)Flash security
(C)Operating system security - Answer
(D)Remote access security
(E)Router hardening - Answer
(F)Zone isolation

7.Which set of commands are required to create a username of admin, hash the password using MD5, and force the router to access the internal username database when a user attempts to access the console?
(A)R1(config)# username admin password Admin01pa55
R1(config)# line con 0
R1(config-line)# login local
(B)R1(config)# username admin password Admin01pa55
R1(config)# line con 0
R1(config-line)# login internal
(C)R1(config)# username admin Admin01pa55 encr md5
R1(config)# line con 0
R1(config-line)# login local
(D)R1(config)# username admin secret Admin01pa55
R1(config)# line con 0
R1(config-line)# login local - Answer
(E)R1(config)# username admin secret Admin01pa55
R1(config)# line con 0
R1(config-line)# login internal

8.By default, how many seconds of delay between virtual login attempts is invoked when the login block-for command is configured?
(A)One - Answer
(B)Two
(C)Three
(D)Four
(E)Five

9.An administrator defined a local user account with a secret password on router R1 for use with SSH. Which three additional steps are required to configure R1 to accept only encrypted SSH connections? (Choose three.)
(A)Configure the IP domain name on the router - Answer
(B)Enable inbound vty Telnet sessions
(C)Generate the SSH keys - Answer
(D)Configure DNS on the router
(E)Enable inbound vty SSH sessions - Answer
(F)Generate two-way pre-shared keys

10.Which recommended security practice prevents attackers from performing password recovery on a Cisco IOS router for the purpose of gaining access to the privileged EXEC mode?
(A)Keep a secure copy of the router Cisco IOS image and router configuration file as a backup.
(B)Disable all unused ports and interfaces to reduce the number of ways that the router can be accessed.
(C)Configure secure administrative control to ensure that only authorized personnel can access the router.
(D)Locate the router in a secure locked room that is accessible only to authorized personnel. - Answer
(E)Provision the router with the maximum amount of memory possible.

11.Refer to the exhibit. Which statement regarding the JR-Admin account is true?

(A)JR-Admin can issue show, ping, and reload commands.
(B)JR-Admin can issue ping and reload commands. - Answer
(C)JR-Admin can issue only ping commands.
(D)JR-Admin can issue debug and reload commands.
(E)JR-Admin cannot issue any command because the privilege level does not match one of those defined.

12.Refer to the exhibit. Based on the output of the show running-config command, which type of view is SUPPORT?

(A)Secret view, with a level 5 encrypted password
(B)Root view, with a level 5 encrypted secret password
(C)Superview, containing SHOWVIEW and VERIFYVIEW views - Answer
(D)CLI view, containing SHOWVIEW and VERIFYVIEW commands

13.Which two characteristics apply to Role-Based CLI Access superviews? (Choose two.)
(A)CLI views have passwords, but superviews do not have passwords.
(B)Users logged in to a superview can access all commands specified within the associated CLI views. - Answer
(C)A single superview can be shared among multiple CLI views.
(D)Commands cannot be configured for a specific superview. - Answer
(E)Deleting a superview deletes all associated CLI views.

14.If AAA is already enabled, which three CLI steps are required to configure a router with a specific view? (Choose three.)
(A)Assign a secret password to the view - Answer
(B)Assign commands to the view - Answer
(C)Assign users who can use the view
(D)Associate the view with the root view
(E)Create a superview using the parser view view-name command
(F)Create a view using the parser view view-name command - Answer

15.What are three requirements that must be met if an administrator wants to maintain device configurations via secure in-band management? (Choose three.)
(A)Network devices configured to accommodate SSH - Answer
(B)A separate network segment connecting all management devices
(C)At least one router acting as a terminal server
(D)Encryption of all remote access management traffic - Answer
(E)Connection to network devices through a production network or the Internet - Answer
(F)Direct access to the console ports of all network devices

16.What are two characteristics of SNMP community strings? (Choose two.)
(A)A vulnerability of SNMPv1, SNMPv2, and SNMPv3 is that they send the community strings in plaintext.
(B)Commonly known community strings should be used when configuring secure SNMP.
(C)If the manager sends one of the correct read-only community strings, it can get information and set information in an agent.
(D)SNMP read-only community strings can be used to get information from an SNMP-enabled device. - Answer
(E)SNMP read-write community strings can be used to set information on an SNMP-enabled device. - Answer

17.Refer to the exhibit. Routers R1 and R2 are connected via a serial link. One router is configured as the NTP master, and the other is an NTP client. Which two pieces of information can be obtained from the partial output of the show ntp associations detail command on R2? (Choose two.)

(A)Both routers are configured to use NTPv2.
(B)Router R1 is the master, and R2 is the client. - Answer
(C)Router R2 is the master, and R1 is the client.
(D)The IP address of R1 is 192.168.1.2. - Answer
(E)The IP address of R2 is 192.168.1.2.

18.Which three commands are required to restore a primary bootset from a secure archive on a router on which Cisco IOS resilience is enabled? (Choose three.)
(A)Restart the router in ROM monitor mode and display the secure bootset Cisco IOS image name using the dir command. - Answer
(B)Restart the router, enter privileged EXEC mode, and display the secure bootset Cisco IOS image name using the show flash command.
(C)Boot the secure bootset Cisco IOS image using the boot command with the filename. - Answer
(D)Copy the secure bootset Cisco IOS image to flash using the copy IOS-backup-image flash command.
(E)Restore the secure configuration file using the copy config-backup flash command.
(F)Restore the secure configuration file using the secure boot-config restore filename command. - Answer

19.Which three options can be configured by Cisco AutoSecure? (Choose three.)
(A)CBAC - Answer
(B)SNMP
(C)Syslog
(D)Security banner - Answer
(E)Interface IP address
(F)Enable secret password - Answer

20.What is the minimum recommended modulus key length for keys generated to use with SSH?
(A)256
(B)512
(C)768
(D)1024 - Answer
(E)2048

21.An administrator needs to create a user account with custom access to most privileged EXEC commands. Which privilege command is used to create this custom account?
(A)privilege exec level 0
(B)privilege exec level 1
(C)privilege exec level 2 - Answer
(D)privilege exec level 15

22.Refer to the exhibit. What two facts can be determined from the output? (Choose two.)

(A)The Cisco IOS image and configuration files have been properly secured. - Answer
(B)ROMmon mode will be inaccessible upon entering the privileged EXEC reload command.
(C)The Cisco IOS Resilient Configuration feature is enabled. - Answer
(D)The Cisco IOS Resilient Configuration feature has detected an image version mismatch.
(E)The Cisco IOS configuration files have been erased.

23.Refer to the exhibit. Which information can be gathered based on the show login command output?

(A)All logins from all sources are blocked for another 90 seconds.
(B)The login block-for command is configured to block login hosts for 82 seconds.
(C)Five or more login requests have failed within 90 seconds. - Answer
(D)Any host is permitted to access the router in quiet mode via Telnet, SSH, and HTTP, because the Quiet-Mode access list has not been configured.

Chapter 1 - 2

1

What is a ping sweep?

A ping sweep is a network scanning technique that indicates the live hosts in a range of IP addresses.

A ping sweep is a software application that enables the capture of all network packets sent across a LAN.

A ping sweep is a scanning technique that examines a range of TCP or UDP port numbers on a host to detect listening services.

A ping sweep is a query and response protocol that identifies information about a domain, including the addresses assigned to that domain.

2

Which two statements are characteristics of a virus? (Choose two.)

A virus typically requires end-user activation.

A virus has an enabling vulnerability, a propagation mechanism, and a payload.

A virus replicates itself by independently exploiting vulnerabilities in networks.

A virus provides the attacker with sensitive data, such as passwords.

A virus can be dormant and then activate at a specific time or date.

3

A network administrator detects unknown sessions involving port 21 on the network. What could be causing this security breach?

An FTP Trojan Horse is executing.

A reconnaissance attack is occurring.

A denial of service attack is occurring.

Cisco Security Agent is testing the network.

4

Which statement describes phone freaking?

A hacker uses password-cracking programs to gain access to a computer via a dialup account.

A hacker gains unauthorized access to networks via wireless access points.

A hacker mimics a tone using a whistle to make free long-distance calls on an analog telephone network.

A hacker uses a program that automatically scans telephone numbers within a local area, dialing each one in search of computers, bulletin board systems, and fax machines.

5

What are three goals of a port scan attack? (Choose three.)

disable used ports and services

determine potential vulnerabilities

identify active services

identify peripheral configurations

identify operating systems

discover system passwords

6

Which phase of worm mitigation involves terminating the worm process, removing modified files or system settings that the worm introduced, and patching the vulnerability that the worm used to exploit the system?

containment

inoculation

quarantine

treatment

7

Which two statements describe access attacks? (Choose two.)

Port redirection attacks use a network adapter card in promiscuous mode to capture all network packets that are sent across a LAN.

Password attacks can be implemented using brute-force attack methods, Trojan Horses, or packet sniffers.

Buffer overflow attacks write data beyond the allocated buffer memory to overwrite valid data or exploit systems to execute malicious code.

Port scanning attacks scan a range of TCP or UDP port numbers on a host to detect listening services.

Trust exploitation attacks can use a laptop acting as a rogue access point to capture and copy all network traffic in a public location on a wireless hotspot.

8

A disgruntled employee is using Wireshark to discover administrative Telnet usernames and passwords. What type of network attack does this describe?

Denial of Service

port redirection

reconnaissance

trust exploitation

9

Which characteristic best describes the network security Compliance domain as specified by the ISO/IEC?

the integration of security into applications

an inventory and classification scheme for information assets

the restriction of access rights to networks, systems, applications, functions, and data

the process of ensuring conformance with security information policies, standards, and regulations

10

What is a characteristic of a Trojan Horse?

A Trojan Horse can be carried in a virus or worm.

A proxy Trojan Horse opens port 21 on the target system.

An FTP Trojan Horse stops anti-virus programs or firewalls from functioning.

A Trojan Horse can be hard to detect because it closes when the application that launched it closes.

11

Which type of security threat can be described as software that attaches to another program to execute a specific unwanted function?

virus

worm

proxy Trojan horse

Denial of Service Trojan horse

12

What occurs during the persist phase of a worm attack?

identification of vulnerable targets

modification of system files and registry settings to ensure that the attack code is running

transfer of exploit code through an attack vector

extension of the attack to vulnerable neighboring targets

13

Users report to the helpdesk that icons usually seen on the menu bar are randomly appearing on their computer screens. What could be a reason that computers are displaying these random graphics?

An access attack has occurred.

A virus has infected the computers.

A DoS attack has been launched against the network.

The computers are subject to a reconnaissance attack.

14

What are the three major components of a worm attack? (Choose three.)

enabling vulnerability

infecting vulnerability

payload

penetration mechanism

probing mechanism

propagation mechanism

15

What are the basic phases of attack that can be used by a virus or worm in sequential order?

paralyze, probe, penetrate, persist, and propagate

probe, penetrate, persist, propagate, and paralyze

penetrate, persist, propagate, paralyze, and probe

persist, propagate, paralyze, probe, and penetrate

16

Which phase of worm mitigation requires compartmentalization and segmentation of the network to slow down or stop the worm and prevent currently infected hosts from targeting and infecting other systems?

containment phase

inoculation phase

quarantine phase

treatment phase

17

Which access attack method involves a software program attempting to discover a system password by using an electronic dictionary?

buffer overflow attack

port redirection attack

Denial of Service attack

brute-force attack

IP spoofing attack

packet sniffer attack

18

What occurs during a spoofing attack?

One device falsifies data to gain access to privileged information.

Large amounts of network traffic are sent to a target device to make resources unavailable to intended users.

Improperly formatted packets are forwarded to a target device to cause the target system to crash.

A program writes data beyond the allocated memory to enable the execution of malicious code.

19

Which two network security solutions can be used to mitigate DoS attacks? (Choose two.)

virus scanning

data encryption

anti-spoofing technologies

intrusion protection systems

applying user authentication

20

Which two are characteristics of DoS attacks? (Choose two.)

They always precede access attacks.

They attempt to compromise the availability of a network, host, or application.

They are difficult to conduct and are initiated only by very skilled attackers.

They are commonly launched with a tool called L0phtCrack.

Examples include smurf attacks and ping of death attacks.

21

What are three types of access attacks? (Choose three.)

buffer overflow

ping sweep

port redirection

trust exploitation

port scan

Internet information query

22

How is a Smurf attack conducted?

by sending a large number of packets, overflowing the allocated buffer memory of the target device

by sending an echo request in an IP packet larger than the maximum packet size of 65,535 bytes

by sending a large number of ICMP requests to directed broadcast addresses from a spoofed source address on the same network

by sending a large number of TCP SYN packets to a target device from a spoofed source address

Chapter 1 - 1

CCNA Security Chapter 1 Quiz


1.A disgruntled employee is using Wireshark to discover administrative Telnet usernames and passwords. What type of network attack does this describe?
(A)Denial of Service
(B)Port redirection
(C)Reconnaissance - Answer
(D)Trust exploitation

2.Which two are characteristics of DoS attacks? (Choose two.)
(A)They always precede access attacks.
(B)They attempt to compromise the availability of a network, host, or application. - Answer
(C)They are difficult to conduct and are initiated only by very skilled attackers.
(D)They are commonly launched with a tool called L0phtCrack.
(E)Examples include smurf attacks and ping of death attacks. - Answer

3.Which two statements describe access attacks? (Choose two.)
(A)Port redirection attacks use a network adapter card in promiscuous mode to capture all network packets that are sent across a LAN.
(B)Password attacks can be implemented using brute-force attack methods, Trojan Horses, or packet sniffers. - Answer
(C)Buffer overflow attacks write data beyond the allocated buffer memory to overwrite valid data or exploit systems to execute malicious code. - Answer
(D)Port scanning attacks scan a range of TCP or UDP port numbers on a host to detect listening services.
(E)Trust exploitation attacks can use a laptop acting as a rogue access point to capture and copy all network traffic in a public location on a wireless hotspot.

4.Which two statements are characteristics of a virus? (Choose two.)
(A)A virus typically requires end-user activation. - Answer
(B)A virus has an enabling vulnerability, a propagation mechanism, and a payload.
(C)A virus replicates itself by independently exploiting vulnerabilities in networks.
(D)A virus provides the attacker with sensitive data, such as passwords.
(E)A virus can be dormant and then activate at a specific time or date. - Answer

5.Which phase of worm mitigation involves terminating the worm process, removing modified files or system settings that the worm introduced, and patching the vulnerability that the worm used to exploit the system?
(A)Containment
(B)Inoculation
(C)Quarantine
(D)Treatment - Answer

6.What is a characteristic of a Trojan Horse?
(A)A Trojan Horse can be carried in a virus or worm. - Answer
(B)A proxy Trojan Horse opens port 21 on the target system.
(C)An FTP Trojan Horse stops anti-virus programs or firewalls from functioning.
(D)A Trojan Horse can be hard to detect because it closes when the application that launched it closes.

7.Which phase of worm mitigation requires compartmentalization and segmentation of the network to slow down or stop the worm and prevent currently infected hosts from targeting and infecting other systems?
(A)Containment phase - Answer
(B)Inoculation phase
(C)Quarantine phase
(D)Treatment phase

8.What are three goals of a port scan attack? (Choose three.)
(A)Disable used ports and services
(B)Determine potential vulnerabilities - Answer
(C)Identify active services - Answer
(D)Identify peripheral configurations
(E)Identify operating systems - Answer
(F)Discover system passwords

9.What are three types of access attacks? (Choose three.)
(A)Buffer overflow - Answer
(B)Ping sweep
(C)Port redirection - Answer
(D)Trust exploitation - Answer
(E)Port scan
(F)Internet information query

10.Which type of security threat can be described as software that attaches to another program to execute a specific unwanted function?
(A)Virus - Answer
(B)Worm
(C)Proxy Trojan horse
(D)Denial of Service Trojan horse

11.An attacker is using a laptop as a rogue access point to capture all network traffic from a targeted user. Which type of attack is this?
(A)Trust exploitation
(B)Buffer overflow
(C)Man in the middle - Answer
(D)Port redirection

12.Which type of software typically uses a network adapter card in promiscuous mode to capture all network packets that are sent across a LAN?
(A)Port scanner
(B)Ping sweeper
(C)Packet sniffer - Answer
(D)Internet information query

13.Which characteristic best describes the network security Compliance domain as specified by the ISO/IEC?
(A)The integration of security into applications
(B)An inventory and classification scheme for information assets
(C)The restriction of access rights to networks, systems, applications, functions, and data
(D)The process of ensuring conformance with security information policies, standards, and regulations - Answer

14.Which statement describes phone freaking?
(A)A hacker uses password-cracking programs to gain access to a computer via a dialup account.
(B)A hacker gains unauthorized access to networks via wireless access points.
(C)A hacker mimics a tone using a whistle to make free long-distance calls on an analog telephone network. - Answer
(D)A hacker uses a program that automatically scans telephone numbers within a local area, dialing each one in search of computers, bulletin board systems, and fax machines.
15.What are the three major components of a worm attack? (Choose three.)
(A)Enabling vulnerability - Answer
(B)Infecting vulnerability
(C)Payload - Answer
(D)Penetration mechanism
(E)Probing mechanism
(F)Propagation mechanism - Answer

16.What occurs during the persist phase of a worm attack?
(A)Identification of vulnerable targets
(B)Modification of system files and registry settings to ensure that the attack code is running - Answer
(C)Transfer of exploit code through an attack vector
(D)Extension of the attack to vulnerable neighboring targets

17.Which technology is an example of a host-based intrusion prevention system?
(A)MARS
(B)NAC
(C)CSA - Answer
(D)VPN

18.How is a Smurf attack conducted?
(A)By sending a large number of packets, overflowing the allocated buffer memory of the target device
(B)By sending an echo request in an IP packet larger than the maximum packet size of 65,535 bytes
(C)By sending a large number of ICMP requests to directed broadcast addresses from a spoofed source address on the same network - Answer
(D)By sending a large number of TCP SYN packets to a target device from a spoofed source address

19.What is a ping sweep?
(A)A ping sweep is a network scanning technique that indicates the live hosts in a range of IP addresses. - Answer
(B)A ping sweep is a software application that enables the capture of all network packets sent across a LAN.
(C)A ping sweep is a scanning technique that examines a range of TCP or UDP port numbers on a host to detect listening services.
(D)A ping sweep is a query and response protocol that identifies information about a domain, including the addresses assigned to that domain.

20.What occurs during a spoofing attack?
(A)One device falsifies data to gain access to privileged information. - Answer
(B)Large amounts of network traffic are sent to a target device to make resources unavailable to intended users.
(C)Improperly formatted packets are forwarded to a target device to cause the target system to crash.

(D)A program writes data beyond the allocated memory to enable the execution of malicious code.