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4

Internet e-mail system based on the ……………………………………………..

A. FTP

B. Simple Mail Transfer Protocol (SMTP)

C. POP

D. Both SMTP and POP

Correct Answer :

B. Simple Mail Transfer Protocol (SMTP)


Related Questions

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4

Identify the topology and network type that uses a central hub with cables connected to workstations.

A. Physical star topology, Ethernet

B. Physical bus topology, Ethernet

C. Physical ring topology, token ring

D. Physical ring topology, Ethernet

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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

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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

The key concern in the design of transmission system is -------------- and ---------------

A. data rate ,distance

B. speed, accuracy

C. accuracy, simplicity

D. distance , cost

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4

preamble field of 802.3 frames is encoded using ------------------- encoding

A. Manchester

B. differential Manchester

C. Bi polar

D. uni polar

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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

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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

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

A. 16.4 %

B. 18.4 %

C. 7.4 %

D. 1 %

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4

Which of the following protocols are considered unreliable or connectionless?

A. UDP

B. TCP

C. FTP

D. TFTP

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4

What is attenuation?

A. cable noise

B. cable shortage

C. loss of signal strength

D. unwanted signals on the network

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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)

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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

What are the subnet mask in dotted decimal notation for /20 networks?

A. 255.255.252.0

B. 255.255.255.0

C. 255.255.254.0

D. 255.255.240.0

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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

TCP protocol is responsible for connection-oriented communication

A. True.

B. False.

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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

The packet transmit using standard Internet Protocol(IP) throughout the Internet by

A. Circuit switching

B. Packet switching

C. Message switching

D. None of the above.

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4

Videoconferencing is an example for…………………… communication

A. Simplex

B. Half duplex

C. Full duplex

D. serial

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4

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

A. Hub

B. Bridge

C. Brouter

D. Router

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4

Which of the following delivery methods works with only one source and one destination? Multicast

A. Multicast

B. Broadcast

C. Unicast

D. Any cast

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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 type of connector is used on 10Base2 networks?

A. SC

B. BNC

C. RJ-45

D. RJ-11

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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

What is the distance limitation of Cat5 UTP?

A. 1 km

B. 100 km

C. 100 m

D. 100 foot

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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

ADSL uses high-speed Internet service phone lines

A. True.

B. False.

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4

OSPF is based on …………………

A. Distance vector routing

B. Path vector routing

C. Link state routing

D. both a and b

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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

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 headers does a router look at to find how to route a data packet?

A. Ethernet frame header

B. MAC address

C. Application header

D. IP header