Home
Current Affairs January 2024

What is the correct answer?

4

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

A. Type

B. Class

C. Rdlength

D. Rdata

Correct Answer :

B. Class


Related Questions

What is the correct answer?

4

What is the maximum frame size of a frame relay?

A. < or = to 1600 octets

B. > or = to 1800 octets

C. < or = to 1800 octets

D. > or = to 1600 octets

What is the correct answer?

4

Which of the following IEEE specifications uses CSMA/CD?

A. 802.2

B. 802.3

C. 802.5

D. 802.11b

What is the correct answer?

4

Following are the advantages of tree topology
i) Point-to-point wiring for individual segments.
ii) Supported by several hardware and software venders.
iii) Easy to install and wire

A. i) only

B. i) and ii) only

C. iii) only

D. i) ,ii) and iii)

What is the correct answer?

4

------------------- is/ are caused by the random motion of the electrons in a wire and is unavoidable.

A. Dispersion

B. Thermal noise

C. Delay distortion

D. all of these

What is the correct answer?

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

What is the correct answer?

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

What is the correct answer?

4

Which is the port used by POP3?

A. 69

B. 110

C. 143

D. 443

What is the correct answer?

4

How many table entries are supported by global routing table in CIDR?

A. 90,000

B. 80,000

C. 70,000

D. 60,000

What is the correct answer?

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

What is the correct answer?

4

Which piece of equipment operates at both the data-link and network layers?

A. Hub

B. Bridge

C. Brouter

D. Router

What is the correct answer?

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

What is the correct answer?

4

_______ body looks after the protocol identifiers used over Internet.

A. Transmission Control Protocol

B. Telnet protocol

C. Internet Protocol

D. Network Control Protocol

What is the correct answer?

4

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

A. Physical

B. Data-link

C. Network

D. Transport

What is the correct answer?

4

Router B receives an update from router A that indicates Net1 is two hops away. The next update from A says Net1 is five hops away. What value is entered in B's routing table for Net1? Assume the basic RIP is being used.

A. 6

B. 7

C. 2

D. 3

What is the correct answer?

4

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

A. 1

B. 2

C. 3

D. 4

What is the correct answer?

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)

What is the correct answer?

4

The generic domain name for air transport industry is ________.

A. biz

B. air

C. aero

D. fly

What is the correct answer?

4

Twisted-pair cable uses what type of connector?

A. RJ-11

B. XT-20

C. RJ-45

D. RJ-50

What is the correct answer?

4

Which of the following is defined in RFC 4366?

A. Secure File Trasfer Protocol (SFTP)

B. Trivial File Transfer Protocol (TFTP)

C. File Transfer Protocol (FTP)

D. Transport Layer Security (TLS)

What is the correct answer?

4

When collection of various computers seems a single coherent system to its client, then it is called

A. computer network

B. distributed system

C. both (a and (b

D. none of the mentioned

What is the correct answer?

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

What is the correct answer?

4

127.0.0.1 address is reserved for internal loopback functions.

A. True.

B. False.

What is the correct answer?

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

What is the correct answer?

4

Which of these is a feature of hubs?

A. Hubs amplify the incoming signal.

B. Hubs understand frames, packets or headers

C. All lines coming into a Hub must operate at a same speed.

D. all of these

What is the correct answer?

4

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

A. Type 2

B. Type 4

C. Type 3

D. Type 1

What is the correct answer?

4

What can be used in the place of DNS to resolve host names to IP addresses?

A. WINS

B. LMHosts

C. Hosts

D. DHCP

What is the correct answer?

4

Which of the following protocols is described in RFC 793?

A. Address Resolution Protocol (ARP)

B. Transmission Control Protocol (TCP)

C. Bootstrap Protocol (BOOTP)

D. User Datagram Protocol (UDP)

What is the correct answer?

4

What is the distance limitation of Cat5 UTP?

A. 1 km

B. 100 km

C. 100 m

D. 100 foot

What is the correct answer?

4

What is attenuation?

A. cable noise

B. cable shortage

C. loss of signal strength

D. unwanted signals on the network

What is the correct answer?

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