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Which of the following network topologies has the highest level of redundancy?

A. Bus

B. Star

C. Star

D. Mesh

Correct Answer :

D. Mesh


Related Questions

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The worldwide Internet is a well-known example of ------------------.

A. PAN

B. Subnet

C. Intra-Network

D. Inter-network

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What is the distance limitation of Cat5 UTP?

A. 1 km

B. 100 km

C. 100 m

D. 100 foot

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____________ developed to provide a loop-free method of exchanging routing information
between autonomous systems.

A. Enhanced Interior Gateway Routing Protocol (EIGRP)

B. User Datagram Protocol (UDP)

C. Border Gateway Protocol (BGP)

D. User Datagram Protocol (UDP)

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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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________acts as source and destination for IP traffic.

A. Interface

B. Node

C. Host

D. Router

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________is a multicast extension to OSPF Version 2.

A. Multicast Source Discovery Protocol (MSDP)

B. Distance Vector Multicast Routing Protocol (DVMRP)

C. Multicast OSPF (MOSPF)

D. Internet Group Management Protocol (IGMP)

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4

80 is the well-known port number for the HTTP service.

A. True.

B. False.

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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

The Point-to-Point Protocol (PPP) is described in which of the following?

A. RFC 3390 AND RFC 3392

B. RFC 1661 AND RFC 1662

C. RFC 2490 AND RFC 2492

D. RFC 2225 AND RFC 2226

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Transmission medias are classified into two main categories, which are -------------- and --------------------.

A. twisted pair, coaxial

B. guided , unguided

C. analog, digital

D. synchronous, Asynchronous

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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 can be used to transfer files from a Unix server?

A. FTP

B. Telnet

C. IPX

D. Netstat

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What is the default port for Telnet?

A. 23

B. 21

C. 25

D. 80

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4

In which of the following states after selecting a mailbox, actions can be taken against the
mail within the mailbox?

A. Non-authenticated state

B. Authenticated state

C. Selected state

D. Logout state

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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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Which class of IP addressing was not brought in much use?

A. Class A addresses

B. Class D addresses

C. Class B addresses

D. Class C addresses

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In an active mode if any FTP client sends the port command "PORT 192,168,0,1,4,1" then
what will be the interpretation of port field?

A. 1024

B. 1025

C. 1023

D. 227

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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 is a simplex protocol?

A. Multicast Source Discovery Protocol (MSDP)

B. User datagram protocol(UDP)

C. Resource Reservation Protocol (RSVP)

D. Internet Group Management Protocol (IGMP)

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4

The generic domain name for air transport industry is ________.

A. biz

B. air

C. aero

D. fly

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

A. CANCEL

B. ACK

C. OPTIONS

D. PRACK

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4

Which of the following versions will replace IPv4 Internet layer?

A. IPv4.1

B. IPv5.1

C. IPv6

D. IPv5.2

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127.0.0.1 address is reserved for internal loopback functions.

A. True.

B. False.

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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

In FTP, to execute a file transfer, the user begins by _________.

A. Navigating the directory structure

B. Connecting to a remote host

C. Listing files available for transfer.

D. Defining the transfer mode

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4

Which of the following algorithms are meant for establishing the paths through the network?

A. Unicast

B. Broadcast

C. Multicast

D. Any cast

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4

Twisted-pair cable uses what type of connector?

A. RJ-11

B. XT-20

C. RJ-45

D. RJ-50

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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

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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

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

A. WINS

B. LMHosts

C. Hosts

D. DHCP