121 Identify the X.25 addressing standard?

A.) X.121

B.) X.25a

C.) ITU-1

D.) Q933a

Ans A

The X.25 layer 3 addressing standards is X.121.

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101 What IP command would you use to test the entire IP stack?

A.) Stack-test

B.) Arp

C.) Telnet

D.) Ping

E.) Trace

Ans C

Because Telnet is an application and it resides at the top of the stack it traverses down the stack and up the stack at the receiving end.

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81 Which service takes information from multiple sources and allocates bandwidth on a single media?

A. Time-division Multiplexing (TDM)

B. Signaling System 7 (SS7)

C. X.25

D. Frame relay

Ans A

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61 Which fields of an IP packet provide for fragmentation of

datagrams to allow differing MTUs in the internet?

A. Identification

B. Flags

C. Frag Offset

D. Type of Service

E. Total Length

Ans A, B & C

The following are the fields in an IP segment,

their length, and their definitions:

VERS (Version number - 16 bits)

HLEN (Number of 32-bit words in the header - 4 bits)

Type of Server (How the datagram should be handled - 32 bits)

Total Length (Total length of header and data - 32 bits)

Identification (Provide fragmentation of datagrams to allow

different MTUs in the internet - 4 bits)

Flags (Provide fragmentation of datagrams to allow different

MTUs in the internet - 4 bits)

Frag Offset (Provide fragmentation of datagrams to allow

different MTUs in the internet - 6 bits)

TTL (Time-To-Live - 6 bits)

Protocol (Upperlayer protocol sending the datagram - 16 bits)

Header Checksum )Integrity check on the header - 16 bits)

Source IP Address (32 bits)

Destination IP Address (32 bits)

IP Options (network testing, debugging, security and others

- 4 bits)

Data (4 bits).

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41 You are given the following address: 153.50.6.27/25.

Determine the subnet mask, address class, subnet address,

and broadcast address.

A. 255.255.255.128, B,153.50.6.0, 153.50.6.127

B. 255.255.255.128, C,153.50.6.0, 153.50.6.127

C. 255.255.255.128, C,153.50.6.127, 153.50.6.0

D. 255.255.255.224, C,153.50.6.0, 153.50.6.127

Ans A

42 You are given the following address: 128.16.32.13/30.

Determine the subnet mask, address class, subnet address,

and broadcast address.

A. 255.255.255.252, B,128.16.32.12, 128.16.32.15

B. 255.255.255.252, C,128.16.32.12, 128.16.32.15

C. 255.255.255.252, B,128.16.32.15, 128.16.32.12

D. 255.255.255.248, B,128.16.32.12, 128.16.32.15

Ans A

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21Which NetWare protocol provides link-state routing?

A. NLSP

B. RIP

C. SAP

D. NCP

Ans: A

NetWare Link Services Protocol (NLSP) provides

link-state routing. SAP (Service Advertisement Protocol)

advertises network services. NCP (NetWare Core Protocol)

provides client-to-server connections and applications. RIP

is a distance vector routing protocol.

22 As a system administrator, you want to debug igrp but are

worried that the “debug IP igrp transaction” command will

flood the console. What is the command that you should

use?

A. debug IP igrp event

B. debug IP igrp-events

C. debug IP igrp summary

D. debug IP igrp events

Ans D

The “debug IP igrp events” is used to only

display a summary of IGRP routing information. You can

append an IP address onto either command to see only the

IGRP updates from a neighbor.

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1 As system administrator, you type “debug ipx sap” and

receive the following lines as part of the IOS response:

type 0×4, “HELLO2″, 199.0002.0003.0006 (451), 2 hops

type 0×4, “HELLO1″, 199.0002.0003.0008 (451), 2 hops

What does “0×4″ signify?

A. That is a Get Nearest Server response.

B. That it is a General query.

C. That it is a General response.

D. That it is a Get Nearest Server request.

Ans A

2 To monitor IP igrp traffic, you can use “debug IP igrp

transaction” or “debug IP igrp events”. How do you display

information about IPX routing update packets?

A. debug routing

B. debug ipx transaction

C. debug ipx routing activity

D. debug ipx events

Ans: C

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