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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 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

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Number of cards 45