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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

Correct Answer :

C. loss of signal strength


Related Questions

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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

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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

----------------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

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 code used for Interpret As Command (IAC)?

A. 253

B. 255

C. 240

D. 241

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4

What is the maximum length of thinnet cable before a signal booster is needed?

A. 185 meters

B. 500 feet

C. 1600 feet

D. 1 mile

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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

------------------- 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

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4

Which of the following is a media type that is most susceptible to interference?

A. Shielded twisted pair (STP)

B. Fiber optics

C. Unshielded twisted pair (UTP)

D. Coaxial

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4

You are browsing www.microsoft.com on a machine named host.contoso.org.. What is the order of domain name resolution?

A. Contoso.com, contoso.org, microsoft.com, com

B. Contoso.com, org, microsoft.org, org

C. Contoso.org, org, root [.], com, microsoft.com

D. Microsoft.com, com, org, contoso.org

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4

A modem is a card within a PC that converts the …………... the computer produces to ………………….. that can pass over telephone system.

A. Data, signal

B. Analog signal, digital signal

C. Digital signal, analog signal

D. signal, data

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…………………………..combines characteristics of linear bus and star topologies.

A. Ring topology

B. A hybrid topology

C. A tree topology

D. mesh topology

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You've taken your Windows 2000 laptop to a client's network and plugged it in. Your computer is configured for an IP network over 100BaseT using DHCP. You can't connect, even though the client says that DHCP is working on his 100BaseT network. What should

A. Use Ipconfig /release to release the old DHCP address.

B. Use Winipcfg and click Release to release the old DHCP address.

C. Use Ifconfig to initialize the NIC.

D. Use Tracert to determine the problem.

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4

802.5 project standard defines Token Ring.

A. True.

B. False

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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

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

Data Transmission is not a layer in the OSI model

A. True.

B. False.

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Which Layer is Responsible for Congestion Control?

A. Network Layer

B. Datalink Layer

C. Transport Layer

D. D) Application layer

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Which of the following protocols is not routable?

A. TCP/IP

B. IPX/SPX

C. AppleTalk

D. NetBEUI

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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

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4

Your Web server is also configured as an FTP server. What part of the data packet will tell the server which application the data is meant for?

A. Port

B. IP address

C. MAC address

D. Frame header

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4

Which OSI model layer provides for encryption and decryption of data?

A. Data-link

B. Transport

C. Presentation

D. Application

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

A. Type 2

B. Type 4

C. Type 3

D. Type 1

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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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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

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4

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

A. Type 2

B. Type 4

C. Type 3

D. Type 1

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4

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

A. 2

B. 4

C. 1

D. 0

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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

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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

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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