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4

A Class A address has _________ host bits.

A. 8

B. 16

C. 20

D. 24

Correct Answer :

D. 24


Related Questions

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4

During the learning function, the switch places addresses and ports in a(n) _________ table.

A. IP address

B. learning

C. CAM

D. memory

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4

Which router command clears all of the static translations in the address translation table?

A. erase ip nat translation *

B. clear ip nat translation *

C. clear ip nat translation all

D. None of these commands

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4

If you enter a command in either User EXEC mode or Privilege EXEC mode that the IOS does not recognize, the switch or router

A. Logs you out

B. Tries to resolve the command to an IP address

C. Executes the closest command that it can find in its command set

D. Makes a "beep" sound

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4

Which command defines interesting traffic?

A. dialer-group

B. dialer-list

C. dialer map

D. dialer remote-name

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4

With a rollover cable, pin 7 on one end is mapped to pin ________ on the other end.

A. 2

B. 3

C. 4

D. 5

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4

Which of the following is true concerning ISL?

A. It is supported on both the 1900 and 2950 switches.

B. It adds a 26-byte trailer and 4-byte header.

C. Tagging is done in software.

D. The original Ethernet frame is not modified.

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4

Which of the following is true concerning bridges?

A. They switch frames in hardware.

B. They support half- and full-duplexing.

C. They support one collision domain for the entire bridge.

D. They do only store-and-forward switching.

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4

A __________ topology uses a single connection to connect all devices together.

A. Bus

B. Star

C. Point-to-point

D. Ring

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4

When choosing a WAN solution, consider all of the following except __________.

A. Number of devices

B. Cost-effectiveness

C. Availability

D. Amount of bandwidth

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4

EIGRP generates hellos every _________ seconds on LAN segments.

A. 5

B. 10

C. 15

D. 30

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4

The ___________ is the point where the carrier's responsibility ends and yours begins.

A. Local loop

B. Demarcation point

C. CPE

D. Toll network

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4

What uses 64 Kbps of bandwidth?

A. PRI

B. BRI

C. DS1

D. DS0

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4

An idle DDR connection will be torn down after _________ seconds of not seeing interesting traffic.

A. 120

B. 122

C. 130

D. 132

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4

Which router command would you use to test only layer-3 connectivity?

A. telnet

B. show cdp traffic

C. show interfaces

D. traceroute

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4

How would you suspend a telnet session?

A. CTRL-SHIFT-X 6

B. CTRL-SHIFT-6 X

C. CTRL-6 X

D. CTRL-C

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4

You are in Interface Subconfiguration mode and want to completely return to Privilege EXEC mode. What would you enter? (Choose all correct answers.)

A. CTRL-Z

B. end

C. exit

D. logout

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4

An OSPF's router ID is based on __________.

A. The lowest IP address on its loopback interface, if configured, or the lowest IP address onits active interfaces

B. The highest IP address on its loopback interface, if configured, or the highest IP address on its active interfaces

C. The highest IP address on its active interfaces, if configured, or the highest IP address on its loopback interfaces

D. The lowest IP address on its active interfaces, if configured, or the lowest IP address on its loopback interfaces

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4

A ___________ is similar to a telephone circuit-switched connection.

A. PVC

B. SVC

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4

Which of the following is a Network layer protocol for the TCP/IP protocol stack?

A. TCP

B. UDP

C. ICMP

D. None of these

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4

When setting up an RJ-45 console connection, you need a RJ-45-to-DB-9 __________ adapter to attach to the COM port of your PC.

A. Auxiliary

B. Console

C. Connection

D. Terminal

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4

A routing protocol that supports route summarization must perform all except which of the following?

A. Carry the subnet mask with the network entry.

B. Make routing decisions based on the entire destination IP address.

C. Summarize entries so that the same lowest-order bits match.

D. None of these.

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4

The _________ reference point defines the connection between the NT2 and the NT1.

A. P

B. Q

C. R

D. T

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4

Which Frame Relay command is used to manually resolve addresses?

A. frame-relay interface-dlci

B. frame-relay map

C. frame-relay resolve

D. frame-relay lmi-type

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4

You are given the following addressing information: 10.0.8.0/22. What type of address is this?

A. Network

B. Directed Broadcast

C. Host

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4

You execute the line console 0 command from Configuration mode. What will the router's prompt be?

A. Router(config)#

B. Router(config-line)#

C. Router(config-interface)#

D. Router#(config-if)

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4

PPP can do all of the following except ___________.

A. Authentication

B. Compression

C. Quality of Service

D. None of these

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4

What router command saves the active configuration to NVRAM?

A. copy nvram startup-config

B. copy startup-config running-config

C. copy running-config nvram

D. copy running-config startup-config

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4

The default encapsulation on a synchronous serial interface is _________.

A. HDLC

B. PPP

C. Neither HDLC nor PPP

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4

A VTP server switch generates a summary advertisement every _________ minutes.

A. 1

B. 2

C. 3

D. 5

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4

________ topologies in NBMA environments do not have problems with split horizon.

A. Partially meshed

B. Fully meshed

C. Hub and spoke

D. Star