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4

In an autonomous system with n areas, how many areas are connected to the backbone?

A. 1

B. N

C. N+1

D. N-1

Correct Answer :

D. N-1


Related Questions

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4

Which is the port used by HTTPS?

A. 123

B. 143

C. 69

D. 443

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4

A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection is this?

A. DSL

B. Cable modem

C. ISDN

D. T1

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4

Thick Ethernet cable uses what type of connector? Select all that apply.

A. RJ-45

B. AUI

C. DB-15

D. BNC

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4

_______ Domain name corresponds to US military.

A. .us mili

B. .mili

C. .mil

D. .us

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4

Which of the following use default routes for inter domain routing?

A. Type 2

B. Type 4

C. Type 3

D. Type 1

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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

Which of the following provides the service for any casting?

A. IPV5

B. IPV6

C. IPV7

D. IPV8

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4

In distance vector routing an active router sends out information ………………………….

A. Only when there is a change in its table

B. Only when a new host is added

C. At regularly scheduled intervals

D. Only when a new network is added

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4

Which of the following is the port used by SMTP?

A. 21

B. 23

C. 25

D. 80

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4

Which of the following connectors is used by UTP on a Fast Ethernet network?

A. ST

B. BNC

C. RJ-45

D. RJ-11

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4

You have a network card with the connector in question 43, and it also has a 9 pin female connector. What type of card is it?

A. ethernet

B. token ring

C. fiber optic

D. ipx/spx

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4

Where are routing tables placed?

A. in network interface card

B. in routers memory

C. in server memory

D. in a subnets memory

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4

Which class does the IP address 202.119.22.31 belong to?

A. Class A

B. Class B

C. Class C

D. APIPA

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4

____________ was developed to support aggregation and summarization of routing
information.

A. Static Routing protocol

B. Enhanced Interior Gateway Routing Protocol (EIGRP)

C. Routing Information Protocol (RIP)

D. Border Gateway Protocol (BGP)

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4

A time exceeded message is generated if ………………………………………………….

A. The round trip time between hosts is close to zero.

B. The Time-to Live field has a zero value.

C. Fragments of a message do not arrive within a set time

D. both b & c

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4

Which of the following IP addresses are used by multicast devices?

A. Class D

B. Class C

C. Class B

D. Class A

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4

Pure ALOHA has a maximum throughput of -----------

A. 16.4 %

B. 18.4 %

C. 7.4 %

D. 1 %

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4

To communicate across a TCP/IP network, you must have a DNS server and DNS clients installed.

A. True.

B. False.

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4

In the symmetric-key method of cryptography, which key is publicly known?

A. Encryption key only

B. Decryption key only

C. Both

D. None of the above

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4

Which of the following provides a structure for conveying message through TCP/IP network
to host?

A. Address Resolution protocol (ARP)

B. Internet Control Message Protocol (ICMP)

C. Bootstrap Protocol (BOOTP)

D. Dynamic Host Configuration Protocol (DHCP)

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4

FDDI operates on 100 Mbps.

A. True.

B. False.

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4

What is the address identified when socket is available at each end of TCP?

A. "<TCP, IP address, socket number>."

B. "<TCP, Host address, port address>."

C. "<TCP, IP address, port number>."

D. "<TCP, Network address, socket address>."

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4

Internet Research Task Force (IRTF) body looks after ________.

A. The research projects of TCP/IP suit

B. Technical related issues

C. Development of standards like Requests for Comments

D. Maintenance of Internet

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4

The general form of the SMTP destination address is ________________.

A. user% remote-host@gateway-host

B. user@host

C. local-part@domain-name

D. None of the above

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4

Which field in Domain Name System message format specifies the class of query?

A. Type

B. Class

C. Rdlength

D. Rdata

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4

If the organization allocates 10 bits as subnet number, to identify a physical network, then the organization can have at the most……………. networks and each of these networks that can support only…………………...hosts.

A. 1022 networks, 62 hosts.

B. 62 networks, 1022 hosts.

C. 4094 networks, 14 hosts.

D. 14 networks, 4094 hosts.

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4

………………….is a technique of conversion between the representation of digital data in user equipment and the corresponding signals transmitted over a communications channel.

A. Line coding

B. Demodulation

C. Modulation

D. Segmentation

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4

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

A. 255.0.0.0

B. 255.255.0.0

C. 255.255.255.0

D. 255.255.192.0

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4

Which of the following are not the standard representations defined by Telnet protocol?

A. IP and AO

B. YTA and WAY

C. EC and EL

D. SYNCH

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4

Which of the following protocol is used by Integrated Services for signaling of the
reservation messages?

A. Link state protocols

B. Distance Vector Multicast Routing Protocol (DVMRP)

C. Resource Reservation Protocol (RSVP)

D. Static routing protocols