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
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
9
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
Tr c Nghi m Final CCNA 1ắ ệ
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
IP address: 172.16.31.32 Subnet mask: 255.255.255.224 Default gateway: 172.16.31.35
IP address: 172.16.31.29 Subnet mask: 255.255.255.240 Default gateway: 172.16.30.1
IP address: 172.16.31.63 Subnet mask: 255.255.255.224 Default gateway: 172.16.31.35
IP address: 172.16.31.36 Subnet mask: 255.255.255.240 Default gateway: 172.16.31.35
IP address: 172.16.31.37 Subnet mask: 255.255.255.224 Default gateway: 172.16.31.35
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?
10.10.12
to 10.10.1
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?
Ethene
a conne
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
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
Câu 9 : Which statement is true about the ICMP protocol?
It is oft
respon
layer pr
Câu 10 : Which range of port numbers are reserved for services that
are commonly used by applications that run on servers?
1024 t
Câu 11 : Which device should be used for enabling a host to communicate with
another host on a different network?
host r
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.
Câu 14 : What information is contained in the header of Layer 3 to help
data delivery?
virtua
host l