200 câu hỏi thi trắc nghiệm về công nghệ thông tin - phần 1 pptx

manually assigned by the operating system manually assigned by the administrator statically assigned by the component to a preset resource * dynamically assigned between the component an

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ccna 1 chapter1

1 Which computer component is considered the nerve center of the computer system and is responsible for processing all of the data within the machine?

RAM

* CPU

video card

sound card

operating system

2 What are two advantages of purchasing a preassembled computer? (Choose two

* usually a lower cost

exact components may be specified

extended waiting period for assembly

* adequate for performing most general applications

suited for customers with special needs

3 A user plans to run multiple applications simultaneously on a computer Which

computer component is essential to accomplish this?

* RAM

NIC

video card

sound card

storage device

4 Which adapter card enables a computer system to exchange information with other systems on a local network?

modem card

controller card

video card

sound card

* network interface card

5 What is the main storage drive used by servers, desktops, and laptops?

tape drive

* hard drive

optical drive (DVD)

floppy disk drive

6 Which component is designed to remove high-voltage spikes and surges from a power line so that they do not damage a computer system?

CPU

* surge suppressor

motherboard

hard drive

7 What are two examples of output peripheral devices? (Choose two.)

* printer

* speakers

flash drive

external DVD

external modem

8 What two functions does a UPS provide that a surge protector does not ? (Choose two.)

protects the computer from voltage surges

* provides backup power from an internal battery

protects the computer from sudden voltage spikes

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gives the user time to phone the electrical company

* gives the user time to safely shut down the computer if the power fails

provides backup power through a generator provided by the wall outlet

9 What is a word processor?

It is a physical computer component.

* It is a program designed to perform a specific function.

It is a program that controls the computer resources.

It is a functional part of an operating system.

10 What is the purpose of the ASCII code?

translates bits into bytes

interprets graphics digitally

translates digital computer language into binary language

* represents letters, characters, and numbers with bits

11 Why do servers often contain duplicate or redundant parts?

Servers require more power and thus require more components.

* Servers should be accessible at all times.

Servers can be designed as standalone towers or rack mounted.

Servers are required by networking standards to have duplicate parts.

12 What are two benefits of hooking up a laptop to a docking station? (Choose two.) Mobility is increased.

* An external monitor can be used.

* Alternate connectivity options may be available.

The keyboard can be changed to a QWERTY-style keyboard.

More wireless security options are available.

13 Applications can be grouped into general use software or industry specific software What are two examples of industry specific software? (Choose two.)

* CAD

presentation

spreadsheet

word processing

* medical practice management

contacts/scheduling management

14 Which three terms describe different types of computers? (Choose three.)

operating system

network

* laptop

* desktop

Windows

* mainframe

15 How is a server different from a workstation computer?

The server works as a standalone computer.

* The server provides services to clients.

The workstation has fewer applications installed.

The workstation has more users who attach to it.

16 How many values are possible using a single binary digit?

1

* 2

4

8

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16

17 What measurement is commonly associated with computer processing speed?

bits

pixels

* hertz

bytes

18 What can be used to prevent electrostatic discharge (ESD)?

dry and non humid conditions

carpeted floor

* grounding strap

uncluttered work space

19 If a peripheral device is not functioning, what are three things you should do to solve the problem? (Choose three.)

* Use the testing functionality on the peripheral itself, if available.

* Verify that all cables are connected properly.

Disconnect all cables connected to the computer except those connected to the

peripheral.

* Ensure that the peripheral is powered on.

Disconnect the peripheral and verify that the computer is operating normally.

Reload the computer operating system.

20 Which two steps should be performed when installing a peripheral device? (Choose two.)

* Download and install the most current driver.

Connect the peripheral using any cable and any available port on the computer.

* Connect the peripheral using an appropriate cable or wireless connection.

Test the peripheral on another machine before installing it on the one where it will be used.

Check the computer documentation to see if the peripheral vendor is compatible with the

PC vendor.

21 In newer operating systems, how are system resources assigned by default when components are installed?

manually assigned by the operating system

manually assigned by the administrator

statically assigned by the component to a preset resource

* dynamically assigned between the component and the operating system

Trắc Nghiệm Final CCNA 1

Câu 1 : Refer to the exhibit A host is connected to hub 1 Which

combination of IP address, subnet mask and default gateway can allow this host to function in the network?

IP address: 172.16.31.29 Subnet mask: 255.255.255.248 Default gateway: 172.16.31.35

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Câu 2 :An organization has been assigned network ID 10.10.128.0 and

subnet mask 255.255.224.0 Which IP address range can be used for

this organization?

10.10.128.0 to 10.10.159.255 10.10.128.0 to 10.10.160.255 10.10.128.0

to 10.10.159.0 10.10.128.0 to 10.10.192.255 10.10.128.0 to 10.10.0.159

Câu 3 : Which OSI layer addressing is required to route packets

between two networks?

Layer 1 Layer 2 Layer 3 Layer 4

Câu 4 : Refer to the exhibit What three statements are true about the

IP configuration that is shown? (Choose three)

The computer is unable to communicate outside of the local network The address that is assigned to the computer represents private addressing The IP address that is assigned to the computer is routable on the Internet The network of this computer can have 126 hosts The IP address that is assigned

to the computer is a broadcast address The prefix of the computer address is /27

Câu 5 : When connectionless protocols are implemented at the lower

layers of the OSI model, what is usually used to acknowledge that the

data was received and to request the retransmission of missing data?

Ethenet UDP an upper-layer, connection-oriented protocol or service IP

a connectionless acknowledgement

Câu 6 : Refer to the exhibit Host A is able to access resources on the

local LAN but is unable to access any resources on the Internet What

is the likely cause of this problem?

The host address is a network address The network uses private addresses The default gateway is on

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a different subnet from the host The host subnet mask in incorrect.

Câu 7 : Refer to the exhibit Assume all devices are using default

configurations How many subnets are required to address the

topology that is shown?

1 3 5 4 7

Câu 8 : Which service is used when the nslookup command is issued

on a computer?

DNS DHCP Telnet FTP

Câu 9 : Which statement is true about the ICMP protocol?

It is often filtered out of networks for security purposes If a host does not

respond to an ICMP echo request, the host is not functioning It is an application

layer protocol It is designed to make IP a reliable protocol

Câu 10 : Which range of port numbers are reserved for services that

are commonly used by applications that run on servers?

1024 to 49151 0 to 255 0 to 1023 49152 to 65535

Câu 11 : Which device should be used for enabling a host to communicate with

another host on a different network?

host router switch hub

Câu 12 : Refer to the exhibit Each media link is labeled What type of

cable should be used to connect the different devices?

Connection 1 - rollover cable Connection 2 - straight-through cable Connection 3 - crossover cable Connection 1 - crossover cable Connection 2 - rollover cable Connection 3 - crossover cable

Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - crossover cable Connection 1 - crossover cable Connection 2 - straight-through cable Connection 3 - crossover cable Connection 1 - straight-through cable Connection 2 - crossover cable Connection 3 - straight-through cable

Câu 13 : Refer to the exhibit Host C is able to ping 127.0.0.1

successfully, but is unable to communicate with hosts A and B in the

organization What is the likely cause of the problem?

Hosts A and B are not on the same subnet as host C The subnet mask on host C is improperly

configured The FastEthernet interface fa0/0 of router 1 is wrongly configured The IP addresses

on the router serial interfaces are wrong

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Câu 14 : What information is contained in the header of Layer 3 to

help data delivery?

virtual connection identifier device physical address port number destination

host logical address

Câu 15 : Refer to the exhibit The tracert command is initiated from

PC1 to PC4 Which device will send a response to the initial tracert

packet from PC1?

London PC4 Athens Paris Ankara

Câu 16 : Refer to the exhibit A PC is communicating with another PC

on a remote network The two networks are connected by three

routers Which action will help to identify the path between the hosts?

Use the ping command at the destination Use the tracert command at the host

Use the ipconfig command at the host Use the ipconfig/all command at the

destination

Câu 17: Which application belongs to the category of the client/server model?

using Telnet to access a router scanning a document with a directly connected scanner exchanging information via instant messaging printing a document to a locally connected printer

Câu 18: Refer to the exhibit Which list refers only to end devices?

A,H,B,C A,D,E,F A,D,E,G D,E,F,G

Câu 19: What information can be gathered by using the command netstat?

the default gateway the locally configured subnet mask the routing protocol

active TCP connections

Câu 20: Which two types of media can provide bandwidth up to 1 Gb/s?(Choose two)

1000 BASE-TX 100 BASE-FX 100 BASE-T 10 BASE-T 1000 BASE-SX

Câu 21: A network technician is tasked with setting up a network for six users, but the users should be able to use their accounts to log on

from any of the six computers What type of network should be used?

peer-to-peer network P2P applications workgroup client-server network

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Câu 22: Which option shows how a router will route packets to a

remote network?

Câu 23: Refer to the exhibit A PC is connected to a network Which

action will verify that the PC can communicate with its default gateway?

Use the ipconfig/all command Use the ping 10.0.0.254 command Use the ipconfig command Use the ping 127.0.0.1 command

Câu 24: Refer to the exhibit While configuring a network, a

technician wired each end of a Category 5e cable as shown Which two

statements are true about this setup? (Choose two.)

The cable simulates a point-to-point WAN link The cable is terminated in a way that the transmit pin

is wired to the receive pin The cable is unusable and must be rewired The cable is suitable for connecting dissimilar types of devices The cable is suitable for connecting a switch to a router Ethernet port

Câu 25: During the encapsulation process, what identifiers are added

at the transport layer?

source and destination IP addresses source and destination port numbers

source and destination channel identifiers source and destination MAC addresses

Câu 26: Which combination of network id and subnet mask correctly

identifies all IP addresses from 172.16.128.0 through 172.16.159.255?

172.16.128.0 255.255.255.192 172.16.128.0 255.255.192.0 172.16.128.0

255.255.255.224 172.16.128.0 255.255.0.0 172.16.128.0 255.255.224.0

Câu 27: Refer to the exhibit Host A is requesting a web page from the

web server Which option represents the socket to which the request is

made?

The cable simulates a point-to-point WAN link The cable is terminated in a way that the transmit pin is wired to the receive pin The cable is unusable and must be rewired The cable is suitable for connecting dissimilar types of devices The cable is suitable for connecting a switch to a router Ethernet port

Câu 25: During the encapsulation process, what identifiers are added

at the transport layer?

source and destination IP addresses source and destination port numbers

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source and destination channel identifiers source and destination MAC addresses

Câu 26: Which combination of network id and subnet mask correctly identifies all IP addresses from 172.16.128.0 through 172.16.159.255?

172.16.128.0 255.255.255.192 172.16.128.0 255.255.192.0 172.16.128.0

255.255.255.224 172.16.128.0 255.255.0.0 172.16.128.0 255.255.224.0

Câu 27: Refer to the exhibit Host A is requesting a web page from the web server Which option represents the socket to which the request is made?

10.0.0.130:80 www.cisco.com 80 10.0.0.130

Câu 28: Refer to the exhibit All routers in the network are configured with the correct IP addresses and routing protocol Host A sends a packet to host B Which exhibited steps will be executed on each of the routers in the network?

Routers R1 and R2 execute all six steps Router R1 executes steps 1,2,3,4, and 6 Router R2 executes all six steps Router R1 executes all six steps Router R2 executes steps 1,2,3,4, and 6 Routers R1 and R2 execute steps 1, 2, 3, 4, and 6

Câu 29: Refer to the exhibit Which type of network design is shown?

client/server dedicated server wide area peer-to-peer

Câu 30: To send data through a network, what two flags are used to establish a session? (Choose two.)

CRC ACK Port # Ack # Seq # SYN

Câu 31: Refer to the exhibit The router of the company failed and was replayced After the replaycement, host C and D in the Education office are able to ping each other, but they are unable to access the host in the Account office What is the likely cause of the problem?

The subnet mask at the fa0/1 interface of the router is incorrectly entered The hosts in the Accounts office are not on the same subnet as the hosts in the Education office The IP address at the serial interface of the router is incorrectly configured The IP address

at the fa0/0 interface of the router is incorrectly configured

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Câu 32: Which TCP/IP model layer creates additional overhead on network resources due to acknowledgments, tracking, and

retransmission of data?

application transport network access internet

Câu 33: Refer to the exhibit Which layered network model is shown

in the diagram?

Cisco TCP/IP OSI IETF

Câu 34: Which of the following are the address ranges of the private

IP addresses? (Choose three.)

127.16.0.0 to 127.31.255.255 200.100.50.0 to 200.100.25.255 172.16.0.0 to 172.31.255.255 150.150.0.0 to 150.150.255.255 10.0.0.0 to 10.255.255.255192.168.0.0 to 192.168.255.255

Câu 35: Refer to the exhibit Which option correctly identifies the network address, range of host addresses, and the broadcast address for the network that contains host A?

Câu 36: Which two functions of the OSI model occur at layer two? (Choose two.)

encoding routing media access control cabling physical addressing

Câu 37: Refer to the exhibit What function does router RT_A need to provide to allow Internet access for hosts in this network?

address translation DHCP services ftpd web server

Câu 38: Refer to the exhibit A host is using NAT to connect to the Internet Which three IP addresses enable this connection? (Choose three.)

10.1.1.37 10.1.1.39 10.1.1.63 10.1.1.32 10.1.1.2 10.1.1.60

Câu 39: Refer to the exhibit Host A is configured with the correct IP address for the default gateway of the router R1 FastEthernet0/1 interface How will a packet that is sent from host A to host B be handled by the devices on the network? network?

R1 will forward the packet to its default gateway, the next hop router R2 R2 will drop the packet because it does not have a default route to network 10.1.1.0/24.R1 will forward

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the packet to its default gateway, the next hop router R2 R2 will forward the packet to the directly connected network 10.1.1.0/24 R1 will drop the packet because R1 does not have

a specific route in its routing table to the 10.1.1.0/24 network R1 will forward the packet to its default gateway, the next hop router R2 R2 will drop the packet because it does not

have a route that is learned by a routing protocol to network 10.1.1.0/24

Câu 40: Refer to the exhibit A network technician is trying to

determine the correct IP address configuration for Host A What is a valid configuration for Host A?

IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.17

Câu 41: Refer to the exhibit A host is using NAT to

connect to the Internet Which three IP addresses enable this connection? (Choose three.)

192.168.4.63 /26 192.168.4.129 /26 192.168.4.221 /27 192.168.4.95 /27

192.168.4.191 /26 192.168.4.51 /27

Câu 42: Refer to the exhibit Communication for hosts X and Y is

restricted to the local network What is the reason for this?

Host X and host Y belong to different networks The gateway addresses are broadcast addresses Host Y is assigned a multicast address Host X is assigned a network address

Câu 43: A network administrator is asked to design a new addressing scheme for a corporate network There are 60 users in the main office,

40 users in the branch office, 28 users in manufacturing, 12 in the

sales office, and 4 users in the research office Which VLSM

addressing scheme that uses the 192.168.88.0/24 network will fulfill

the requirements while wasting the fewest addresses?

192.168.88.0/27 main 192.168.88.32/27 branch 192.168.88.64/28

manufacturing 192.168.88.80/29 sales 192.168.88.88/30 research

192.168.88.0/27 main 192.168.88.64/28 branch 192.168.88.80/28

192.168.88.0/26 main 192.168.88.64/26 branch 192.168.88.128/27

192.168.88.0/26 main 192.168.88.32/26 branch 192.168.88.64/26

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