Module 1: Basic Device Configuration

1.5.11 và 1.6.4

Which command will display a summary of all IPv6-enabled interfaces on a router that includes the IPv6 address and operational status?

A. show ip interface brief
B. show ipv6 route
C. show running-config interface
D. show ipv6 interface brief

D. show ipv6 interface brief

When verifying routes, what code is used to identify directly connected routes in the routing table?

A. C
B. D
C. L
D. R

A. C

Which command will display packet flow counts, collisions, and buffer failures on an interface?

A. show interface
B. show ip interface
C. show running-config interface

A. show interface

An IPv6-enabled interface is required to have which type of address?

A. loopback
B. global unicast
C. link-local
D. static

C. link-local

What character is used to enable the filtering of commands?

A. pipe |
B. comma ,
C. colon :
D. semi colon ;

A. pipe |

Which filtering expression will show all output lines starting from the line matching the filtering expression?

A. section
B. begin
C. include

B. begin

Which tasks can be accomplished by using the command history feature? (Choose two.)

A. Set the command history buffer size.
B. Recall previously entered commands.
C. View a list of commands entered in a previous session.
D. Recall up to 15 command lines by default.
E. Save command lines in a log file for future reference.

A. Set the command history buffer size.
B. Recall previously entered commands.

Which statement describes the system LED operation on Cisco Catalyst switches?

A. If the LED is amber, the system is not powered on.
B. If the LED is blinking amber, the switch is performing POST.
C. If the LED is blinking green, the system is operating normally.
D. If the LED is amber, the system is receiving power but it is not functioning properly.

D. If the LED is amber, the system is receiving power but it is not functioning properly.

What type of Ethernet cable would be used to connect one switch to another switch when neither switch supports the auto-MDIX feature?

A. rollover
B. crossover
C. straight-through
D. coaxial

B. crossover

What advantage does SSH offer over Telnet?

A. connection-oriented services
B. more connection lines
C. username and password authentication
D. encryption

D. encryption

A network administrator has configured VLAN 99 as the management VLAN and has configured it with an IP address and subnet mask. The administrator issues the show interface vlan 99 command and notices that the line protocol is down. Which action can change the state of the line protocol to up?

A. Configure a transport input method on the vty lines.
B. Connect a host to an interface associated with VLAN 99.
C. Remove all access ports from VLAN 99.
D. Configure a default gateway.

B. Connect a host to an interface associated with VLAN 99.

Which statement describes SVIs?

A. An SVI can only be created for the management VLAN.
B. A default SVI is created for VLAN 1 for switch administration.
C. Creating an SVI automatically creates an associated VLAN.
D. An SVI is created automatically for each VLAN on a multilayer switch.

B. A default SVI is created for VLAN 1 for switch administration.

Which prompt is displayed when a network administrator successfully accesses the boot loader on a switch to recover from a system crash?

A. switch#
B. system#
C. system:
D. switch:

D. switch:

Which router bootup sequence is correct?

A. 1 – perform the POST and load the bootstrap program 2 – locate and load the Cisco IOS software 3 – locate and load the startup configuration file or enter setup mode
B. 1 – perform the POST and load the startup configuration file 2 – locate and load the bootstrap program 3 – locate and load the Cisco IOS software
C. 1 – perform the POST and load the bootstrap program 2 – locate and load the startup configuration file or enter setup mode 3 – locate and load the Cisco IOS software
D. 1 – perform the POST and load the Cisco IOS software 2 – locate and load the startup configuration file or enter setup mode 3 – locate and load the bootstrap program

A. 1 – perform the POST and load the bootstrap program 2 – locate and load the Cisco IOS software 3 – locate and load the startup configuration file or enter setup mode

What is the first action in the boot sequence when a switch is powered on?

A. low-level CPU initialization
B. load boot loader software
C. load the default Cisco IOS software
D. load a power-on self-test program

D. load a power-on self-test program

What must an administrator have in order to reset a lost password on a router?

A. access to another router
B. physical access to the router
C. a TFTP server
D. a crossover cable

B. physical access to the router

When configuring a switch for SSH access, what other command that is associated with the login local command is required to be entered on the switch?

A. login block-for seconds attempts number within seconds
B. enable secret password
C. username username secret secret
D. password password

C. username username secret secret

Which command will provide information about the status of all interfaces including the number of giants, runts, and collisions on the interface?

A. show interfaces
B. show ip interface brief
C. show history
D. show running-config

A. show interfaces

Which interface is used by default to manage a Cisco Catalyst 2960 switch?

A. The FastEthernet 0/1 interface
B. The GigabitEthernet 0/1 interface
C. The VLAN 1 interface
D. The VLAN 99 interface

C. The VLAN 1 interface

A production switch is reloaded and finishes with a Switch> prompt. What two facts can be determined? (Choose two.)

A. A full version of the Cisco IOS was located and loaded.
B. POST occurred normally.
C. The boot process was interrupted.
D. There is not enough RAM or flash on this router.
E. The switch did not locate the Cisco IOS in flash, so it defaulted to ROM.

A. A full version of the Cisco IOS was located and loaded.
B. POST occurred normally.

Which two statements are true about using full-duplex Fast Ethernet? (Choose two.)

A. Full-duplex Fast Ethernet offers 100 percent efficiency in both directions.
B. Latency is reduced because the NIC processes frames faster.
C. Nodes operate in full-duplex with unidirectional data flow.
D. Performance is improved because the NIC is able to detect collisions.
E. Performance is improved with bidirectional data flow.

A. Full-duplex Fast Ethernet offers 100 percent efficiency in both directions.
E. Performance is improved with bidirectional data flow.

Which statement describes the port speed LED on the Cisco Catalyst 2960 switch?

A. If the LED is amber, the port is operating at 1000 Mbps.
B. If the LED is blinking green, the port is operating at 10 Mbps.
C. If the LED is green, the port is operating at 100 Mbps.
D. If the LED is off, the port is not operating.

C. If the LED is green, the port is operating at 100 Mbps.

What is a function of the switch boot loader?

A. To control how much RAM is available to the switch during the boot process
B. To provide an environment to operate in when the switch operating system cannot be found
C. To provide security for the vulnerable state when the switch is booting
D. To speed up the boot process

B. To provide an environment to operate in when the switch operating system cannot be found

In which situation would a technician use the show interfaces command?

A. To determine whether remote access is enabled
B. To determine the MAC address of a directly attached network device on a particular interface
C. When packets are being dropped from a particular directly attached host
D. When an end device can reach local devices, but not remote devices

C. When packets are being dropped from a particular directly attached host

What is one difference between using Telnet or SSH to connect to a network device for management purposes?

A. Telnet does not provide authentication, whereas SSH provides authentication.
B. Telnet sends a username and password in plain text, whereas SSH encrypts the username and password.
C. Telnet supports a host GUI, whereas SSH supports only a host CLI.
D. Telnet uses UDP as the transport protocol, whereas SSH uses TCP.

B. Telnet sends a username and password in plain text, whereas SSH encrypts the username and password.

What is a characteristic of an IPv4 loopback interface on a Cisco IOS router?

A. It is a logical interface internal to the router.
B. It is assigned to a physical port and can be connected to other devices.
C. Only one loopback interface can be enabled on a router.
D. The no shutdown command is required to place this interface in an up state.

A. It is a logical interface internal to the router.

What two pieces of information are displayed in the output of the show ip interface brief command? (Choose two.)

A. Interface descriptions
B. IPv4 addresses
C. Layer 1 statuses
D. MAC addresses
E. Next-hop addresses
F. Speed and duplex settings

A. Interface descriptions
B. IPv4 addresses

What type of cable would be used to connect a router to a switch when neither supports the auto-MDIX feature?

A. Coaxial
B. Crossover
C. Rollover
D. Straight-through

D. Straight-through

Which statement regarding a loopback interface is true?

A. It is an internal virtual interface used for testing purposes.
B. It is used to loop back traffic to an interface.
C. It must be enabled using the no shutdown command.
D. Only one loopback interface can be created on a device.

A. It is an internal virtual interface used for testing purposes.

You are implementing remote access to the VTY lines of a switch using SSH and the login local line vty command. Which other command must be entered to avoid being locked out of the switch?

A. enable secret password
B. password password
C. service-password encryption
D. username username secret password

D. username username secret password