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IS3120 NETWORK COMMUNICATIONS INFRASTRUCTURE > IS 3120 CHAPTER 11 > Flashcards

IS 3120 CHAPTER 11 Flashcards

1
Q

A grouping of connected IP networks that are managed, maintained, and controlled by a common administrator.

A

Autonomous system (AS).

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2
Q

An exterior hybrid routing protocol that routes messages between networks and AS.

A

Border Gateway Protocol (BGP)

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3
Q

A relative metric value used to set the condition of comparison.

A

Cost

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4
Q

.

A

Delay

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5
Q

A type of routing protocol that maintains a routing tale containing route metrics provided by neighboring routers on which routing decisions are made.

A

Distance-vector routing protocol

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6
Q

Using links determined by a routing protocol through information from other routers.

A

Dynamic routing

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7
Q

A hybrid interior routing protocol that combines the shortest-path considerations of a link-state routing protocol with the metrics of IGRP.

A

Enhanced Interior Gateway Routing Protocol (EIGRP)

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8
Q

A protocol that routes messages outside an AS or between two networks.

A

Exterior routing protocol

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9
Q

A period of time during which a particular path is suspended.

A

Hold-down

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10
Q

The number of routers a packet must pass through to reach the network of its destination address.

A

Hop count (hops)

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11
Q

An interior distance-vetor routing protocol that exchanges routing information with other routers within its AS.

A

Interior Gateway Routing Protocol (IGRP)

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12
Q

Protocols that perform routing functions among the routers owned by a single entity or under the control of a single network administrator.

A

Interior routing protocols

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13
Q

A type of routing protocol that calculates the status (state) of a link and its connection type, speed, and delay.

A

Link-state routing protocol

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14
Q

The amount of bandwidth in use on a particular link.

A

Load

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15
Q

Routing protocols that divide message traffic over two or more links.

A

Load balancing

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16
Q

The length in bytes of the longest message unit that can be transmitted on available links that connect a source address to a destination address.

A

Maximum transmission unit (MTU)

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17
Q

Refers to a device with connections to multiple links.

A

Multi-homed

18
Q

Prevents information from a particular interface from being repeated to that interface.

A

Poisoned reverse

19
Q

A measurement of the amount of downtime on a particular link that indicates the reliability of the link. An indicator of how likely a link is to fail during transmission.

A

Reliability

20
Q

Another term for redundancy or failover; specifically, a condition in which a network can “bounce back” from failures because its Physical Layer media, Layer 2 network access functions, and Layer 3 forwarding and addressing functions have ho-swap redundancy.

A

Resilience

21
Q

Protocols that define the formatting and structure of data being routed.

A

Routed protocols

22
Q

An interior distance-vector routing protocol that uses hop count as its routing metric.

A

Routing Information Protocol (RIP)

23
Q

Communicates with other routers to maintain routing information with which path determination can be made.

A

Routing protocols

24
Q

Maintained by a routing protocol to store metric about the addresses available through each interface port of a router.

A

Routing tables

25
Q

A feature or distance-vector routing protocol that prevents reverse routes between two routers and helps devices direct packets around loops.

A

Split horizon

26
Q

Using fixed links configured manually.

A

Static routing

27
Q

An IEEE standard redundancy protocol that clusters multiple routers into a single virtual router.

A

Virtual Router Redundancy Protocol (VRRP)

28
Q
  1. Which of the following is/are Layer 3 functions or services?
  2. Logical link management
  3. Logical addressing
  4. Physical addressing
  5. Frame encapsulation
A

Logical addressing

29
Q
  1. Routing occurs on the ___ Layer of the OSI Reference Model.
  2. Data Link
  3. Transport
  4. Network
  5. Session
A

Network

30
Q
  1. A routing protocol maintains a routing table on which path determination is based.
    TRUE OR FALSE
A

TRUE

31
Q
  1. Which routing protocol is used to route traffic on the Internet?
  2. OSPF
  3. BGP
  4. RIPv2
  5. EIGRP
A

BGP

32
Q
  1. The two forms of routing entries are dynamic and ___.
  2. Logical
  3. Metric
  4. Multi-homed
  5. Static
A

Static

33
Q
  1. Which one of the following is a routed protocol?
  2. RIP
  3. SMTP
  4. OSPF
  5. IGRP
A

SMTP

34
Q
  1. The routing metric that indicates the number of intermediary routers a packet must pass through to reach the network of its destination address is called the ___.
  2. Delay
  3. Hop count
  4. Cost
  5. Load
A

Hop count

35
Q
  1. The bandwidth of a link is never used as a routing metric.
    TRUE OR FALSE
A

FALSE

36
Q
  1. The condition that exists when the routing tables of neighboring routers are in synchronization is called ___.
  2. Resiliency
  3. Convergence
  4. Confluence
  5. Balance
A

Convergence

37
Q
  1. The action in which a router divides and forwards incoming or outbound message traffic to multiple links is known as ___.
  2. Convergence
  3. Resilience
  4. Redundancy
  5. Load balancing
A

Load balancing

38
Q
  1. The two types of dynamic routing protocols are link-sate and distance-vector.
    TRUE OR FALSE
A

TRUE

39
Q
  1. The length of the longest data unit that can be transmitted on an available link is the ___.
  2. Hash count
  3. Maximum transmission unit
  4. Distance-vector
  5. Link-state
A

Maximum transmission unit

40
Q
  1. Which distance-vector routing protocol bases its routing decisions solely on hop count?
  2. OSPF
  3. EIGRP
  4. RIP
  5. BGP
A

RIP

41
Q
  1. What methodology is used on networks to prevent routing loops?
  2. Resilience
  3. Split horizon
  4. Redundancy
  5. Spanning tree
A

Redundancy

42
Q
  1. HSRP is a routing protocol that can be used to configure resilience on a network.
    TRUE OR FALSE
A

TRUE

IS3120 NETWORK COMMUNICATIONS INFRASTRUCTURE (15 decks)

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