Deck 10: Switching and Routing

Question 1

A ____ is essentially a switch and a router combined into one package.

A)layer 2 switch
B)layer 7 switch
C)layer 4 switch
D)layer 3 switch

Answer 1

D

Question 2

The ____ algorithm is a type of routing algorithm that is based on the number of hops in a route between a source and destination computer.

A)distance-vector routing
B)distance-volume routing
C)distance-domain routing
D)domain-vector routing

Answer 2

A

Question 3

Routing on the Internet is based on the individual networks that are called _________________________.

Answer 3

Autonomous Systems
Autonomous Systems (AS)
AS (Autonomous Systems)
AS

Question 4

____________________ switching reduces the latency of a switch tremendously.

Question 5

The ____ is an ATM Forum specification for the protocols between switches in a private ATM network.

A)Private Network-Network Interface
B)Private Network-Node Interface
C)Private Node-Network Interface
D)Private Node-Node Interface

Question 6

Initially,switches handled frames using a technique called ____.

A)store-and-forward switching
B)crossbar switching
C)store-and-relay switching
D)broadcast switching

Question 7

NetBEIU and ARP are examples of ____________________ protocols because they will pass through a switch but not a router.

Question 8

Integrated IS-IS is a routing protocol based on the TCP routing protocol.

Question 9

In the ____________________ section,each output port contains an Ethernet transmitter and output frame buffer.

Question 10

____ are designed to prevent loops in a bridged (switched)LAN.

A)Spinning trees
B)Branching trees
C)Spanning trees
D)Binary trees

Question 11

Each switched port operating in a separate collision domain may contain a maximum size Ethernet network of ____ nodes.

A)256
B)512
C)768
D)1024

Question 12

____________________ routing refers to any type of routing that is based on factors other than the selection of the "shortest path."

Question 13

A(n)____ variable is used to control the lifetime of each entry in the routing table.

A)invalid timer
B)update timer
C)hold-time timer
D)flush timer

Question 14

Multi-Protocol Label Switching (MPLS)allows for faster,cheaper IP routers based on Ethernet technology.

Question 15

Ethernet frames contain a source MAC address and a destination MAC address.

Question 16

Classless Inter-Domain Routing (CIDR)was initially developed to recover many of the unused addresses in class A and class C networks.

Question 17

The ____ is an OSI protocol that specifies how routers communicate with routers in different domains.

A)Internet Routing Protocol
B)Inter-Domain Running Protocol
C)Inter-Domain Routing Protocol
D)Inter-Division Routing Protocol

Question 18

The MAC address and port number are stored in a special high-speed memory called ____.

A)content accessible memory
B)content addressable memory
C)common addressable memory
D)content attainable memory

Question 19

The ____ is a link-state routing protocol based on IS-IS.

A)NetWare Link State Protocol
B)NetWare Link Services Protocol
C)NetWare Link Layer Protocol
D)NetWare Link Structure Protocol

Question 20

When all of the stations in a LAN are connected to a switched port,the network is called a totally or fully switched network.

Question 21

List five characteristics of a link-state router.

Question 22

MATCHING
Match each item with a statement below.
a.Crossbar switch
d.Input port logic
b.Buffer
e.Multiplexed bus
c.Switching fabric
Effectively makes one input-output connection at a time,with each input port getting its turn at using the bus

Question 23

MATCHING
Match each item with a statement below.
a.Crossbar switch
d.Input port logic
b.Buffer
e.Multiplexed bus
c.Switching fabric
Section of the switch that contains the Ethernet receiving logic

Question 24

List four benefits of either replacing the campus or corporate routers with layer 3 switches or adding layer 3 switching to a router-less network.

Question 25

Discuss the difference between hubs versus switches.

Question 26

MATCHING
Match each item with a statement below.
a.Crossbar switch
d.Input port logic
b.Buffer
e.Multiplexed bus
c.Switching fabric
Responsible for directing the received frames from each input port to the appropriate output port

Question 27

Describe the Exterior Gateway Protocol.

Question 28

List the chores that the control logic must perform.

Question 29

MATCHING
Match each item with a statement below.
a.Crossbar switch
d.Input port logic
b.Buffer
e.Multiplexed bus
c.Switching fabric
Lowers the rate of collisions

Question 30

MATCHING
Match each item with a statement below.
a.Crossbar switch
d.Input port logic
b.Buffer
e.Multiplexed bus
c.Switching fabric
A two-dimensional set of data buses