Home

What is the correct answer?

4

What is the pattern of a preamble?

A. 11110000

B. 11111111

C. 00000000

D. none of these

Correct Answer :

D. none of these


Related Questions

What is the correct answer?

4

ADSL uses high-speed Internet service phone lines

A. True.

B. False.

What is the correct answer?

4

Which of the following SIP request terminates a call?

A. ACK

B. BYE

C. INVITE

D. CANCEL

What is the correct answer?

4

Which of the following versions will replace IPv4 Internet layer?

A. IPv4.1

B. IPv5.1

C. IPv6

D. IPv5.2

What is the correct answer?

4

Which of the following address supports 254 hosts on each of 2 million networks?

A. Class D addresses

B. Class A addresses

C. Class C addresses

D. Class B addresses

What is the correct answer?

4

Which of the following is used for testing the data-link connection in a PPP network?

A. Link Control Protocol (LCP)

B. Method

C. Network Control Protocols (NCPs)

D. Basic Rate Interface (BRI)

What is the correct answer?

4

ARP is defined in RFC _____ and it is a current internet standard, ________

A. RFC-37, STD 903

B. RFC-903, STD 37

C. RFC 826; STD 37

D. RFC 37; STD 826

What is the correct answer?

4

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

A. 16.4 %

B. 18.4 %

C. 7.4 %

D. 1 %

What is the correct answer?

4

Network administrator checks whether all the devices connected to the end-to-end path
are _________-enabled.

A. Any cast

B. Broadcast

C. Unicast

D. Multicast

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

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.

What is the correct answer?

4

ADSL uses high-speed Internet service phone lines

A. True.

B. False.

What is the correct answer?

4

ICMP messages require ………………. levels of encapsulation

A. One

B. Two

C. Three

D. Four

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

AppleTalk protocol configures hosts in zones on the network.

A. True.

B. False.

What is the correct answer?

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

What is the correct answer?

4

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

A. Merchant

B. Issuer

C. Acquirer payment gateway

D. Cardholder

What is the correct answer?

4

Which of the following can translate between dissimilar protocols and network types?

A. Hub

B. Repeater

C. Switch

D. Gateway

What is the correct answer?

4

You're configuring a dial-up connection to an ISP. Which of the following protocols is used?

A. PPTP

B. PPP

C. VPN

D. IPSec

What is the correct answer?

4

Which class does the IP address 202.119.22.31 belong to?

A. Class A

B. Class B

C. Class C

D. APIPA

What is the correct answer?

4

What is the range of multicast addressing?

A. 223.0.0.0 through 240.255.255.255

B. 244.0.0.0 through 239.255.255.266

C. 224.1.1.1 through 239.555.255.255

D. 224.0.0.0 through 239.255.255.255

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

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

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

What is the correct answer?

4

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

A. 253

B. 255

C. 240

D. 241

What is the correct answer?

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

What is the correct answer?

4

802.5 project standard defines Token Ring.

A. True.

B. False

What is the correct answer?

4

The Hamming Distance for the codes generated using either even or odd parity will be------------------

A. 2

B. 4

C. 1

D. 0

What is the correct answer?

4

Which of the following defines a family of standards for 100 Mbps fiber optic LANs that
provides the physical layer and media access control sub-layer of the data link layer, as
defined by the ISO/OSI Model?

A. Ethernet

B. IEEE 802

C. Fiber Distributed Data Interface (FDDI)

D. Point-to-Point Protocol (PPP)

What is the correct answer?

4

Which of the following request in Session Initiation Protocol (SIP) queries the capabilities of
servers?

A. CANCEL

B. ACK

C. OPTIONS

D. PRACK

What is the correct answer?

4

Telnet protocol uses ___________ representation for the function Synchronize.

A. SYC

B. SYNCH

C. SNZ

D. SY