Z3d152 Volume 2 Quiz

124 Questions | By Tyler_holzworth | Updated: Mar 20, 2022 | Attempts: 298

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1.

At what Open System Interconnection (OSI) layer are virtual circuits established, maintained and terminated?
- A.
  
  Network
- B.
  
  Physical
- C.
  
  Data Link
- D.
  
  Transport
2.

Which of the following is an example of a video compression standard?
- A.
  
  Motion Picture Experts Group-4 (MPEG-4)
- B.
  
  Joint Photographic Experts Group (JPEG).
- C.
  
  File Transfer Protocol (FTP)
- D.
  
  G.711
3.

In the Open System Interconnect (OSI) model, a layer will communicate with three other OSI layers. Which one is not one of those layers?
- A.
  
  Layer above
- B.
  
  Layer below
- C.
  
  Lowest layer
- D.
  
  Peer layer
4.

What data communication protocol uses characters or "handshaking" to control the link and represent information?
- A.
  
  Asynchronous Protocol
- B.
  
  Binary synchronous protocol
- C.
  
  Synchronous Data Link Control (SDLC)
- D.
  
  High-Level Data Link Control
5.

In binary-synchronous protocol, which characters establishes and maintains character synchronization prior to the message block and during transmission?
- A.
  
  SEQ
- B.
  
  SYN
- C.
  
  STX
- D.
  
  EST
6.

Which data communication protocol is based on bits and the position of the bits?
- A.
  
  Character-oriented
- B.
  
  Bit-oriented
- C.
  
  Network
- D.
  
  Routing
7.

Which data communication protocol is a transmission code that supports a variety of link types and topologies?
- A.
  
  Asynchronous Protocol
- B.
  
  Binary Synchronous Protocol
- C.
  
  Synchronous Data Link Control (SDLC)
- D.
  
  High-Level Data Link Control (HDLC)
8.

Which network layer protocol matches a known Internet protocol (IP) address for a destination device to a Media Access Control (MAC) address?
- A.
  
  IP
- B.
  
  Address Resolution Protocol (ARP)
- C.
  
  Reverse Address Resolution Protocol (RARP)
- D.
  
  Internet Control Message Protocol (ICMP)
9.

Which Network layer protocol provides messaging that can help with troubleshooting?
- A.
  
  Internet Protocol (IP)
- B.
  
  Address Resolution Protocol (ARP)
- C.
  
  Reverse Address Resolution Protocol (RARP)
- D.
  
  Internet Control Message Protocol (ICMP)
10.

Which Transport layer protocol provides reliable data delivery services?
- A.
  
  Internet Protocol (IP)
- B.
  
  User Datagram Protocol (UDP)
- C.
  
  Transmission Control Protocol (TCP)
- D.
  
  Internet Control Message Protocol (ICMP)
11.

Which Application layer protocol is used to synchronize the clocks of computers on a network?
- A.
  
  Simple Network Management Protocol (SNMP).
- B.
  
  Dynamic Host Configuration Protocol (DHCP)
- C.
  
  Network Time Protocol (NTP)
- D.
  
  Packet Internet Grouper (PING)
12.

Which network Class has the most addresses for hosts?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
13.

How many subnet bits are required to support 90 subnets on a Class B network?
- A.
  
  Three
- B.
  
  Five
- C.
  
  Seven
- D.
  
  Nine
14.

Internet protocol version 6 (IPv6) addresses are represented by
- A.
  
  8 groups of dotted decimal numbers
- B.
  
  8 groups of hexadecimal numbers
- C.
  
  4 dotted decimal numbers
- D.
  
  128 decimal numbers
15.

Teredo has four tunneling components. Which one is not one of them?
- A.
  
  Host-specific relay
- B.
  
  Client
- C.
  
  Server
- D.
  
  Agent
16.

Which device has multiport connectivity that directs data between nodes on a network?
- A.
  
  Bridge
- B.
  
  Router
- C.
  
  Gateway
- D.
  
  Repeater
17.

Which routing protocol do internet backbones use?
- A.
  
  Border Gateway Protocol (BGP).
- B.
  
  Open Shortest Path First (OSPF).
- C.
  
  Routing Information Protocol (RIP).
- D.
  
  Enhanced Interior Gateway Routing Protocol (EIGRP).
18.

Which router port is used for initial configuration?
- A.
  
  Auxiliary
- B.
  
  Console
- C.
  
  Ethernet
- D.
  
  Telnet
19.

When configuring a router, you control access to privileged EXEC mode by configuring which password?
- A.
  
  Line console
- B.
  
  Line vty
- C.
  
  Enable
- D.
  
  Secret
20.

On a router’s serial interface connection, what provides the timing signal for the communication link?
- A.
  
  Data communications equipment
- B.
  
  Data Terminal equipment
- C.
  
  Internal oscillator
- D.
  
  Atomic clock
21.

Virtual Private Networks (VPNs) allow the AF to extend network resources across a/an
- A.
  
  Department of Defense Network
- B.
  
  Air Force Network
- C.
  
  Local area network
- D.
  
  A public network
22.

Which topology defines the way in which devices communicate and data is transmitted throughout the network?
- A.
  
  Physical
- B.
  
  Logical
- C.
  
  Hybrid
- D.
  
  Star
23.

Which topology has the stations connected in the form of a circle?
- A.
  
  Bus
- B.
  
  Ring
- C.
  
  Star
- D.
  
  Hybrid
24.

Which topology combines two or more different physical topologies in a single network?
- A.
  
  Bus
- B.
  
  Ring
- C.
  
  Star
- D.
  
  Hybrid
25.

Which device subdivides a network into smaller logical pieces, or segments?
- A.
  
  Switch
- B.
  
  Firewall
- C.
  
  Gateway
- D.
  
  Repeater