ch7


Początek formularza

Which three factors should be considered when implementing a Layer 2 protocol in a network? (Choose three.)

0x01 graphic

the Layer 3 protocol selected

0x01 graphic

the geographic scope of the network

0x01 graphic

the PDU defined by the transport layer

0x01 graphic

the physical layer implementation

0x01 graphic

the number of hosts to be interconnected

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Option 2, Option 4, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.

Scoring Rule For:  correctness of response

Max Value = 3

Początek formularza


0x01 graphic

Refer to the exhibit. Assuming that the network in the exhibit is converged meaning the routing tables and ARP tables are complete, which MAC address will Host A place in the destination address field of Ethernet frames destined for www.server?

0x01 graphic

00-1c-41-ab-c0-00

0x01 graphic

00-0c-85-cf-65-c0

0x01 graphic

00-0c-85-cf-65-c1

0x01 graphic

00-12-3f-32-05-af

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 2
0 points for any other option

Scoring Rule For:  correctness of response

Max Value = 2


Początek formularza

Which options are properties of contention-based media access for a shared media? (Choose three.)

0x01 graphic

non-deterministic

0x01 graphic

less overhead

0x01 graphic

one station transmits at a time

0x01 graphic

collisions exist

0x01 graphic

devices must wait their turn

0x01 graphic

token passing

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Option 1, Option 2, and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required.

Scoring Rule For:  correctness of response

Max Value = 3

Początek formularza

What is true concerning physical and logical topologies?

0x01 graphic

The logical topology is always the same as the physical topology.

0x01 graphic

Physical topologies are concerned with how a network transfers frames.

0x01 graphic

Physical signal paths are defined by Data Link layer protocols.

0x01 graphic

Logical topologies consist of virtual connections between nodes.

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 4
0 points for any other option

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza

What determines the method of media access control? (Choose two.)

0x01 graphic

network layer addressing

0x01 graphic

media sharing

0x01 graphic

application processes

0x01 graphic

logical topology

0x01 graphic

intermediary device function

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Option 2 and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required.

Scoring Rule For:  correctness of response

Max Value = 2


Początek formularza

What is true regarding media access control? (Choose three.)

0x01 graphic

Ethernet utilizes CSMA/CD

0x01 graphic

defined as placement of data frames on the media

0x01 graphic

contention-based access is also known as deterministic

0x01 graphic

802.11 utilizes CSMA/CD

0x01 graphic

Data Link layer protocols define the rules for access to different media

0x01 graphic

controlled access contains data collisions

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Option 1, Option 2, and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.

Scoring Rule For:  correctness of response

Max Value = 3

Początek formularza

Which statements describe the logical token-passing topology? (Choose two.)

0x01 graphic

Network usage is on a first come, first serve basis.

0x01 graphic

Computers are allowed to transmit data only when they possess a token.

0x01 graphic

Data from a host is received by all other hosts.

0x01 graphic

Electronic tokens are passed sequentially to each other.

0x01 graphic

Token passing networks have problems with high collision rates.

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Option 2 and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required.

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza

A network administrator has been asked to provide a graphic representation of exactly where the company network wiring and equipment are located in the building. What is this type of drawing?

0x01 graphic

logical topology

0x01 graphic

physical topology

0x01 graphic

cable path

0x01 graphic

wiring grid

0x01 graphic

access topology

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 2
0 points for any other option

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza

What is the purpose of the preamble in an Ethernet frame?

0x01 graphic

is used as a pad for data

0x01 graphic

identifies the source address

0x01 graphic

identifies the destination address

0x01 graphic

marks the end of timing information

0x01 graphic

is used for timing synchronization with alternating patterns of ones and zeros

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 5
0 points for any other option

Scoring Rule For:  correctness of response

Max Value = 2


Początek formularza

What statements are true regarding addresses found at each layer of the OSI model? (Choose two.)

0x01 graphic

Layer 2 may identify devices by a physical address burned into the network card

0x01 graphic

Layer 2 identifies the applications that are communicating

0x01 graphic

Layer 3 represents a hierarchical addressing scheme

0x01 graphic

Layer 4 directs communication to the proper destination network

0x01 graphic

Layer 4 addresses are used by intermediary devices to forward data

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Option 1 and Option 3 are correct.
1 point for each correct option.
0 points if more options are selected than required.

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza


0x01 graphic

Refer to the exhibit. Which statement describes the media access control methods that are used by the networks in the exhibit?

0x01 graphic

All three networks use CSMA/CA

0x01 graphic

None of the networks require media access control.

0x01 graphic

Network 1 uses CSMA/CD and Network 3 uses CSMA/CA.

0x01 graphic

Network 1 uses CSMA/CA and Network 2 uses CSMA/CD.

0x01 graphic

Network 2 uses CSMA/CA and Network 3 uses CSMA/CD.

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 3
0 points for any other option

Początek formularza


0x01 graphic

Refer to the exhibit. How many unique CRC calculations will take place as traffic routes from the PC to the laptop?

0x01 graphic

1

0x01 graphic

2

0x01 graphic

4

0x01 graphic

8

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Scoring Rule For:  correctness of response

Max Value = 2

Scoring Rule For:  correctness of response

2 points for Option 4
0 points for any other option

Max Value = 2

0x01 graphic

Początek formularza


0x01 graphic

Refer to the exhibit. A frame is being sent from the PC to the laptop. Which source MAC and IP addresses will be included in the frame as it leaves RouterB? (Choose two.)

0x01 graphic

source MAC - PC

0x01 graphic

source MAC - S0/0 on RouterA

0x01 graphic

source MAC - Fa0/1 on RouterB

0x01 graphic

source IP - PC

0x01 graphic

source IP - S0/0 on RouterA

0x01 graphic

source IP - Fa0/1 of RouterB

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Option 3 and Option 4 are correct.
1 point for each correct option.
0 points if more options are selected than required.

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza

Which sublayer of the data link layer prepares a signal to be transmitted at the physical layer?

0x01 graphic

LLC

0x01 graphic

MAC

0x01 graphic

HDLC

0x01 graphic

NIC

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 2
0 points for any other option

Scoring Rule For:  correctness of response

Max Value = 2


Początek formularza

What two facts are true when a device is moved from one network or subnet to another? (Choose two.)

0x01 graphic

The Layer 2 address must be reassigned.

0x01 graphic

The default gateway address should not be changed.

0x01 graphic

The device will still operate at the same Layer 2 address.

0x01 graphic

Applications and services will need additional port numbers assigned.

0x01 graphic

The Layer 3 address must be reassigned to allow communications to the new network.

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Option 3 and Option 5 are correct.
1 point for each correct option.
0 points if more options are selected than required.

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza

What is a function of the data link layer?

0x01 graphic

provides the formatting of data

0x01 graphic

provides end-to-end delivery of data between hosts

0x01 graphic

provides delivery of data between two applications

0x01 graphic

provides for the exchange data over a common local media

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 4
0 points for any other option

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza

What is a characteristic of a logical point-to-point topology?

0x01 graphic

The nodes are physically connected.

0x01 graphic

The physical arrangement of the nodes is restricted.

0x01 graphic

The media access control protocol can be very simple.

0x01 graphic

The data link layer protocol used over the link requires a large frame header.

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 3
0 points for any other option

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza

What is a primary purpose of encapsulating packets into frames?

0x01 graphic

provide routes across the internetwork

0x01 graphic

format the data for presentation to the user

0x01 graphic

facilitate the entry and exit of data on media

0x01 graphic

identify the services to which transported data is associated

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 3
0 points for any other option

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza

What is the primary purpose of the trailer in a data link layer frame?

0x01 graphic

define the logical topology

0x01 graphic

provide media access control

0x01 graphic

support frame error detection

0x01 graphic

carry routing information for the frame

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

2 points for Option 3
0 points for any other option

Scoring Rule For:  correctness of response

Max Value = 2

Początek formularza

What are three characteristics of valid Ethernet Layer 2 addresses? (Choose three.)

0x01 graphic

They are 48 binary bits in length.

0x01 graphic

They are considered physical addresses.

0x01 graphic

They are generally represented in hexadecimal format.

0x01 graphic

They consist of four eight-bit octets of binary numbers.

0x01 graphic

They are used to determine the data path through the network.

0x01 graphic

They must be changed when an Ethernet device is added or moved within the network.

Dół formularza

0x01 graphic
Początek formularza

Dół formularza

Option 1, Option 2, and Option 3 are correct.
1 point for each correct option.
0 points if more options are selected than required.

Scoring Rule For:  correctness of response

Max Value = 3



Wyszukiwarka

Podobne podstrony:
ch7
ch7
CH7 (3)
cisco2 ch7 focus AC6SFLBHTHU6KY5ZZICPKNWKCNKEFDMXOENYZEY
ch7
Ch7 Model Space & Layouts
ch7 031102
Ch7 Constrain Sketches
CH7
Ch7 PolicyAndInstitutionalFactorsAffectingForestEnergy
Ch7 FuelsAndCombustion
cisco2 ch7 vocab BV5KK4QJZKQRTF3IC3MN3ODFN7YEWK6SOIOS6TY
cisco2 ch7 concept GKEEPVQ7US3W7UGSEZGK7LPOCNZT2DEHL2WAIMQ
Ch7 E2
Ch7 Q1
ch7 pl p1
Ch7 Pgs243 258

więcej podobnych podstron