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4

A router receives an IP packet with source IP address 130.45.3.3 and destination IP address 202.23.4.16. The router cannot find the destination IP address in its routing table. Which ICMP message should be sent?

A. Time stamp request

B. Router solicitation

C. Destination Unreachable

D. Parameter problem on a datagram

Correct Answer :

C. Destination Unreachable


Related Questions

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4

127.0.0.1 address is reserved for internal loopback functions.

A. True.

B. False.

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4

What is the code used for Interpret As Command (IAC)?

A. 253

B. 255

C. 240

D. 241

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4

You've taken your Windows 2000 laptop to a client's network and plugged it in. Your computer is configured for an IP network over 100BaseT using DHCP. You can't connect, even though the client says that DHCP is working on his 100BaseT network. What should

A. Use Ipconfig /release to release the old DHCP address.

B. Use Winipcfg and click Release to release the old DHCP address.

C. Use Ifconfig to initialize the NIC.

D. Use Tracert to determine the problem.

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4

BGP is …………………………………….routing protocol used to ………………………….routing table.

A. intrautonomous system, update

B. Interautonomous system, update

C. Interautonomous system, create

D. intrautonomous system, create

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4

________acts as source and destination for IP traffic.

A. Interface

B. Node

C. Host

D. Router

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4

What is the maximum size of IP header in the UDP Datagram format?

A. 40 bytes

B. 50 bytes

C. 60 bytes

D. 70 bytes

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4

Which of the following can support many concurrent B-channel links and one 64 Kbps Dchannel?

A. ISDN Basic Rate Interface (BRI)

B. ISDN Primary Rate Interface (PRI)

C. Point-to-Point circuit (PPP)

D. ISDN NRZ encoding

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4

_________ is a type of domain name queries.

A. Linear

B. Iterative

C. Grouped

D. Parallel

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4

What is the default port for Telnet?

A. 23

B. 21

C. 25

D. 80

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4

--------------- is/are used for error detection.

A. Parity bit

B. checksum

C. both A) and B)

D. neither A) nor B).

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4

What does a patch cable connect to within an Ethernet network?

A. The patch panel to the hub

B. The patch panel to the wall jack

C. The wall jack to the computer

D. The NIC directly to another computer's NIC

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4

Which of the following can be used to transfer files from a Unix server?

A. FTP

B. Telnet

C. IPX

D. Netstat

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4

________allows receiver to inform sender about the successful receiving of all the
segments.

A. SACK-permitted Option

B. Window scale option

C. Selective Acknowledgment (SACK)

D. Maximum segment size option

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4

What is the default subnet mask for a class A network?

A. 255.0.0.0

B. 255.224.0.0

C. 255.255.0.0

D. 255.255.255.0

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4

Your network has gotten a single class C address but has 300 computers. How can you connect them to the Internet?

A. Use IPX.

B. Implement NAT.

C. Use DHCP.

D. Use DNS.

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4

Which layer use User Datagram Protocol (UDP) and Transmission Control Protocol (TCP)?

A. Network layer

B. Physical layer

C. TCP/IP transport layer

D. Data link layer

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4

What layer of the OSI protocol reference model does a bridge operate under?

A. Physical

B. Data-link

C. Network

D. Transport

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4

In ----------------------- configuration, the switch begins to forward the packet as soon as it is received. No error checking is performed on the packet, so the packet is moved through very quickly.

A. cut-free

B. franment-free

C. store-and-forward

D. cut-through

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4

What is the maximum length of thick Ethernet cable before a signal booster is needed?

A. 500 feet

B. 500 meters

C. 1000 feet

D. 2 miles

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4

AppleTalk protocol configures hosts in zones on the network.

A. True.

B. False.

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4

_____________________ are set up to fulfill service ordering, service assurance, and
billing functions.

A. IPTV server

B. Users

C. Content servers

D. Complex Operation Support Systems (OSS)

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4

What is 10baseT?

A. specification for twisted-pair cable

B. specification for cable terminators

C. 10 megawatt transceiver

D. 10 Mhz analog transfers

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4

Which of the following is required to communicate between two computers?

A. Communications software

B. Protocol

C. Communication hardware

D. All of the above including access to transmission medium

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4

How many 64-Kbps channels are used on an ISDN BRI?

A. 1

B. 2

C. 3

D. 4

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4

Which of the following protocols use a topology table to install routes into the IP routing
table?

A. Open Shortest Path First (OSPF)

B. Enhanced Interior Gateway Routing Protocol (EIGRP)

C. Exterior Gateway Protocol (EGP)

D. Static routing protocols

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4

A financial institution that issues the card to the purchaser is ________.

A. Merchant

B. Issuer

C. Acquirer payment gateway

D. Cardholder

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4

What is the length of MARKER field in BGP message header?

A. 1 byte

B. 2 byte

C. 16 byte

D. 19 byte

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4

ADSL uses high-speed Internet service phone lines

A. True.

B. False.

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4

Which directory service is used in Windows 2000 Server?

A. Active Directory

B. SAM

C. NDS

D. Bindery

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4

Which of the following filed represents the sender of the message in an electronic mail?

A. To

B. From

C. Cc

D. Reply-to