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Andrew Cisco Network > Chapter 4 1220 Routing > Flashcards

Chapter 4 1220 Routing Flashcards

1
Q

What does a router do?

4.0.1.1

A

A router connects one network to another network.

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2
Q

What does a router use to move packet?

4.0.1.1

A

routing tables

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3
Q

What is Random Access Memory (RAM)

4.1.1.3

A

Provides temporary storage for various applications and processes

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4
Q

What is Read-Only Memory (ROM)

4.1.1.3

A

Provides permanent storage for bootup instructions, basic diagnostic software

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5
Q

What is Non-Volatile Random Access Memory (NVRAM)

4.1.1.3

A

Provides permanent storage for the startup configuration file (startup-config). NVRAM is non-volatile and does not lose its contents when power is turned off.

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6
Q

What is Flash

4.1.1.3

A

Provides permanent storage for the IOS and other system-related files. The IOS is copied from flash into RAM during the bootup process.

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7
Q

What is the 2 primary function of a router?

4.1.1.5

A

Determine the best path to send packets

Forward packets toward their destination

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8
Q

What are the 3 packet-forward mechanisms?

4.1.1.6

A

Process switching
Fast switching
Cisco Express Forwarding (CEF) - is the most recent and preferred Cisco IOS packet-forwarding mechanism. Like fast switching, CEF builds a Forwarding Information Base (FIB), and an adjacency table.

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9
Q

What does show ip interface brief

4.1.4.1

A

Displays a summary for all interfaces including the IPv4 address of the interface and current operational status.

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10
Q

What does show ip route

4.1.4.1

A

Displays the contents of the IPv4 routing table stored in RAM

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11
Q

What does show running-config interface

4.1.4.1

A

Displays the commands configured on the specified interface.

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12
Q

What does show ipv6 interface brief

4.1.4.2

A

Displays a summary for each of the interfaces.

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13
Q

What does show ipv6 interface gigabitethernet 0/0

4.1.4.2

A

displays the interface status and all of the IPv6 addresses belonging to the interface. Along with the link local address and global unicast address

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14
Q

What does show ipv6 route

4.1.4.2

A

verifies that IPv6 networks and specific IPv6 interface addresses have been installed in the IPv6 routing table.

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15
Q

In the routing table, what is Local Route interfaces

4.3.1.2

A

Added when an interface is configured and active.

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16
Q

In the routing table what is Directly connected interfaces

4.3.1.2

A

Added to the routing table when an interface is configured and active.

17
Q

In the routing table what is Static routes

4.3.1.2

A

Added when a route is manually configured and the exit interface is active.

18
Q

In the routing table what is Dynamic routing protocol

4.3.1.2

A

Added when routing protocols that dynamically learn about the network, such as EIGRP or OSPF, are implemented and networks are identified.

19
Q

What is the “L” code in the routing table?

4.3.1.2

A

Identifies the address assigned to a router’s interface. This allows the router to efficiently determine when it receives a packet for the interface instead of being forwarded.

20
Q

What is the “C” code in the routing table?

4.3.1.2

A

Identifies a directly connected network.

21
Q

What is the “S” code in the routing table?

4.3.1.2

A

Identifies a static route created to reach a specific network.

22
Q

What is the “D” code in the routing table?

4.3.1.2

A

Identifies a dynamically learned network from another router using EIGRP.

23
Q

What is the “O” code in the routing table?

4.3.1.2

A

Identifies a dynamically learned network from another router using the OSPF routing protocol.

24
Q

What is a “Route Source” in the routing table

4.3.1.3

A

Identifies how the route was learned.

25
Q

What is a “Destination Network” in the routing table

4.3.1.3

A

Identifies the address of the remote network.

26
Q

What is a “Administrative distance” in the routing table

4.3.1.3

A

Identifies the trustworthiness of the route source. Lower values indicate preferred route source.

27
Q

What is a “Metric” in the routing table

4.3.1.3

A

Identifies the value assigned to reach the remote network. Lower values indicate preferred routes.

28
Q

What is a “Next Hope” in the routing table

4.3.1.3

A

Identifies the IPv4 address of the next router to forward the packet to.

29
Q

What is a “Route timestamp” in the routing table

4.3.1.3

A

Identifies how much time has passed since the route was learned.

30
Q

What is a “Outgoing interface” in the routing table

4.3.1.3

A

Identifies the exit interface to use to forward a packet toward the final destination.

Andrew Cisco Network (15 decks)

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