Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/46

Click to flip

46 Cards in this Set

  • Front
  • Back
Which term describes the conversion of binary data into a form that can travel on a physical communications link?

A. encoding
B. decoding
C. Encrypting
D. decrypting
A. encoding
All of the following are common file formats EXCEPT.

B. ASPCA
B. ASPCA
Convert the decimal number 127 to hex

7F
7F
Currently, how large are IP address?

D. 32 bit
D. 32 bit
From the following list what is the correct order of encapsulations? 1. segment, 2. bits, 3. packets, 4. frames
A. 1-3-4-2
A. 1-3-4-2
How is the number 225 represented in binary?

11100001
11100001
How many bits are in the network and subnet portion of a class B network with a subnet of 255.255.255.240?

C. 20
C. 20
How many pins are on each of the ports of a patch panel?

B. 8
B. 8
If ACME Inc. occupies three floors of a building and each floor is 1500 square meters, how many wiring closets should be installed according to EIA/TIA 569?
C. six
C. six
In an Ethernet LAN, where does the horizontal cabling run normally terminate?

A patch panel
A patch panel
What can be created from borrowing bits from the host portion of an IP address?

Subnetworks
Subnetworks
What best describes the difference between AC and DC?

D. DC flows at a constant value, AC rises and falls.
D. DC flows at a constant value, AC rises and falls.
What do switches use to make switching decisions?

MAC addresses
MAC addresses
What is a difference between the OSI and TCP/IP models?

B. The OSI model has 7 layers and the TCP/IP model has 4 layers
B. The OSI model has 7 layers and the TCP/IP model has 4 layers
What is a type of dialogue control that the session layer may use?

2 Way Alt
Two-way alternate communication
What is an example of an application that requires both a client and server in order to function?

A. web browser
A. web browser
What is exchanged to provide communication between hosts' source and destination OSI peer layers?

D. Protocol data units
D. Protocol data units
What is the Organizational Unique Identifier (OUI)?

B. the first six digits of a MAC address
B. the first six digits of a MAC address
What is the decimal value of hex number ABE?

2750
2750
What is the decimal value of the binary IP address
11001101.11111111.10101010.11001101

205.255.170.205
205.255.170.205
What is the maximum number of bits that can be borrowed from the host portion of a Class C network to create subnets?

C. 6
C. 6
What is the purpose of a safety ground in a computer?

D. prevents metal parts from becoming energized with a hazardous voltage
D. prevents metal parts from becoming energized with a hazardous voltage
When running a cable from the wiring closet to wall jacks, where is the cable itself labled?

B. at each end
B. at each end
When sending data to a host on a different network, which address does the source host encapsulate in the IP header?

B. MAC address of the router
B. MAC address of the router
Which Ethernet wiring standard uses twisted pair wiring?

10Base-T
10Base-T
Which address does a router use to identify the source or destination network of a packet?

Network Address
Network Address
Which device is characterized as both a Layer 1 and Layer 2 device?

B. Network interface card
B. Network interface card
Which factor reduces throughput?

A. increased number of users
A. increased number of users
Which item is characteristic of a collision domain?

A. all computers on a single shared access media
A. all computers on a single shared access media
Which layer establishes, manages, and terminates sessions between applications?

C. Session
C. Session
Which layer is responsible for organizing bits using frames and name it.

B. Layer 2
B. Layer 2 Data Link
Which layer of the OSI model can provide a connection-oriented reliable data transfer between two hosts?

D. Transport
D. Transport
Which of the following are measures of speed and capacity for a network?

C. throughput and bandwidth
C. throughput and bandwidth
Which of the following are routed protocols?

B. IP, AppleTalk, IPX
B. IP, AppleTalk, IPX
Which of the following best describes network protocol?

A. a formal description of a set of rules and conventions that govern how devices on a network exchange information
A. a formal description of a set of rules and conventions that govern how devices on a network exchange information
Which of the following cable types combine shielding, cancellation, and twisting of wires?

B. STP
B. STP
Shielded twisted pair
Which of the following is the approximate number of hosts supported in a Class B unsubnetted network?

C. 65,000
C. 65,000
Which protocol can find the MAC address of a computer given its IP address?

C. ARP
C. ARP
Which protocol is designed to download or upload files on the internet?

C. FTP
C. FTP
Which statement best describes wireless signals?

D. they are electromagnetic waves that don't need a physical medium
D. they are electromagnetic waves that don't need a physical medium
Which statement describes bridges and the way they make forwarding decisions?

C. they operate at OSI Layer 2 and use MAC addresses to make decisions
C. they operate at OSI Layer 2 and use MAC addresses to make decisions
Which statement is true about routers?

D. they based forwarding decisions on Layer 3 protocal addresses
D. they based forwarding decisions on Layer 3 protocal addresses
Which term regers to the amount of data that can be transmitted before receiving an acknowledgement?

A. window size
A. window size
Which type of protocol is used for communication between routers to maintain tables?

D. routing
D. routing
Why is a static route the preferred method for reaching stub networks?

A. it requires less overhead
A. it requires less overhead
Which item correctly describes a source address?

B. the address of a host that sends data and information to other computers in a network
B. the address of a host that sends data and information to other computers in a network