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نمونه سوالات +Network
نویسنده : سعید اسداله نیا - ساعت ۱٠:۳۳ ‎ب.ظ روز چهارشنبه ٦ دی ۱۳٩۱
 

براتون نمونه سوالات +Network رو گذاشتم که پیش زمینه ای باشه واسه ورود به دنیای مایکروسافت و سیسکو!

 

Network+ Quiz

 

1)Match the concepts in the numbered list with the definitions that follow it.

Concepts

  1. Full-duplex
  2. Broadband
  3. Circuit switching
  4. Client/server network
  5. Baseband

Definitions

  1. A medium that carries multiple signals simultaneously
  2. A network in which a connection is established before any data is transmitted
  3. A network on which systems perform designated roles
  4. A medium that carries traffic in both directions simultaneously
  5. A medium that carries only one signal

2)For each of the protocols, functions, or concepts listed below, specify the OSI model layer with which it is associated.

a)Ethernet

b) Routing

c) Segmentation

3) How many wire pairs are actually used on a typical UTP Ethernet network?

One      Two      Three        Four

4)To connect two Ethernet hubs together, you must do which of the following?     

    1. Purchase a special crossover cable
    2. Connect the uplink ports on the two hubs together
    3. Connect any standard port on one hub to a standard port on the other
    4. Connect the uplink port in one hub to a standard port on the other

5)You can use which of the following to connect two Ethernet computerstogether using UTP cable?

    1. An Ethernet hub
    2. A multiport repeater
    3. A crossover cable
    4. Any of the above

6)At what layer of the OSI reference model does a bridge function?

    1. Physical
    2. Data-link
    3. Network
    4. Transport

7)What does a bridge do when it receives a packet that is destined for a system on the same network segment from which the packet arrived?

    1. Discards it
    2. Relays it
    3. Broadcasts it
    4. Unicasts it

8)The functionality of a switch is best described as being a combination of what two devices?

    1. A router and a gateway
    2. A hub and a bridge
    3. A bridge and a router
    4. A repeater and a hub

9)When you replace the routers on an internetwork consisting of three segments connected by one backbone with switches, how many broadcast domains do you end up with?

    1. None
    2. One
    3. Three
    4. Four

10)What type of switch immediately relays signals from the incoming port to the outgoing port?

    1. A cut-through switch
    2. A shared memory switch
    3. A bus architecture switch
    4. A store-and-forward switch

11)At what layer of the OSI reference model do routers operate?

    1. Physical
    2. Data-link
    3. Network
    4. Transport

12)What is the term for information in a routing table that specifies the relative efficiency of a particular route?

    1. Metric
    2. Static route
    3. Dynamic route
    4. Hop

13)Internet Connection Sharing enables a computer running Windows to function as what?

    1. A hub
    2. A bridge
    3. A switch
    4. A router

14)Which of the following devices does not read the data-link layer protocol header in incoming packets?

    1. A hub
    2. A bridge
    3. A switch
    4. A router

15)What does the IP header's Protocol field identify?

    1. The physical layer specification of the network that will carry the datagram
    2. The data-link layer protocol that will carry the datagram
    3. The transport layer protocol that generated the information in the Data field
    4. The application that generated the message carried in the datagram

16)What does an IP address identify?

    1. A network
    2. A computer
    3. A network interface adapter
    4. A network and a network interface adapter

17)What does the Data Offset field in the TCP header specify?

    1. The length of the TCP header
    2. The location of the current segment in the sequence
    3. The length of the Data field
    4. The checksum value used for error detection

18)What is the combination of an IP address and a port number called?

    1. A sequence number
    2. A checksum
    3. A data offset
    4. A socket

19)What flag does the first message transmitted in any TCP connection contain?

    1. ACK
    2. SYN
    3. FIN
    4. PSH

20)What TCP header field provides flow control?

    1. Window
    2. Data Offset
    3. Acknowledgment
    4. Sequence Number

 

 


 
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