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4

25 is used by SMTP

A. True.

B. False.

Correct Answer :

A. True.


Related Questions

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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

25 is used by SMTP

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

What is the default port for Telnet?

A. 23

B. 21

C. 25

D. 80

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4

----------------is a static algorithm in which every incoming packet is sent out on every outgoing line except the one it arrives on.

A. Distance vector

B. Congestion

C. Link state routing

D. Flooding

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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

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

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

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)

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4

Select the standard for token ring using token-passing media access.

A. 802.2

B. 802.3

C. 802.5

D. 802.11(b)

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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

What is the pattern of a preamble?

A. 11110000

B. 11111111

C. 00000000

D. none of these

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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

Class C network address class supports 65,534 hosts.

A. True.

B. False.

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4

In 1996, 36.44% of _________ addresses were brought in use.

A. Class A

B. Class D

C. Class B

D. Class C

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4

Which type of connector is used on 10Base2 networks?

A. SC

B. BNC

C. RJ-45

D. RJ-11

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4

Which of the following can provide a backbone network of 600 meters in length without using repeaters?

A. 10BaseT

B. 100BaseT

C. 10Base5

D. 100BaseFX

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4

Data Transmission is not a layer in the OSI model

A. True.

B. False.

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4

SMTP protocol is responsible for sending email across the Internet

A. True.

B. False.

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4

FTP servers by default listen on port ________ for incoming connections from FTP clients.

A. 20

B. 21

C. 23

D. 25

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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

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4

In the IP address 129.2.8.9, what does 129.2 specify?

A. Protocol address

B. Router address

C. Host number

D. Network number

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4

You have a network card with the connector in question 43, and it also has a 15 pin female connector, the pins being in two rows. What type of card is it?

A. ethernet

B. token ring

C. arcnet

D. dlc

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4

TCP protocol is responsible for logical addressing and delivery of packets.

A. True.

B. False.

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4

What is the maximum distance of single-mode fiber (SMF)?

A. 300 meters

B. 500 meters

C. 2km

D. 850 meters

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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

In Secure Electronic Transaction, the description of the purchase and cost is contained in
________ message.

A. Authorization

B. Purchase order

C. Inquiry

D. Capture

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4

Which of the following protocol resolves a host's hardware address for a known IP
address?

A. InATMARP protocol

B. ATMARP protocol

C. InARP protocol

D. ARP protocol

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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)

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4

DSL stands for ------------------------

A. data subscriber lines

B. dual subscriber lines

C. delay subscriber lines

D. digital subscriber lines