01 Data communication Network Basis
ALLY ANN ANASTAXHIA BINTI SAPILING @ MOHD ASRI FT22110027
問題数 29 • 7/1/2024
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問題一覧
1
What is the disadvantage of a tree network? (sc)
Nodes at higher layers will cause more serious network problems if they become faulty.
2
Which functions does a firewall provide? (mc)
Isolates networks of different security levels., Uses security policies to implement access control between networks of different security levels., Implements remote access., Implements data encryption and virtual private network services, Implements network address translation.
3
A star network is robust and therefore not prone to faults.
FALSE
4
A router can break broadcast domains.
True
5
A computer network permits sharing of (sc)
Both resources & information
6
The first operational computer network in the world was the Department of Defense for the United States, (sc)
ARPANET
7
ATM networks are, (sc)
connection oriented
8
As the data packet moves from the are added layer down to the layer, headers and a trailer, (sc)
application; physical
9
Which of the following type of network topology has the highest reliability? (sc)
full mesh network topology
10
Which of the following terms is incorrect? (Sc)
terminal: terminal device in a data communication system that serves as a sender or receiver of data
11
Which of the following devices are common network devices, (mc)
router, switch, firewall, wireless controller, wireless access point
12
What capabilities do you need to possess as a network engineer, (mc)
master professional network Technologies, possessed in professional skills and accomplishments, have some project implementation experience, team collaboration capability
13
In the network architecture, routers are used to directly connect the terminals
false
14
On a data communication network, we can access the network in wired and wireless modes
true
15
Refer to the graphic. Which of the following statements describes the network shown (sc)
there are two broadcast domains in the network
16
Shown in the figure below, which network device can be used for communication between host a and host b, (sc)
router
17
What of the following statements about collision domains and broadcast domains are correct, (mc)
device connected to the same hub form collision domain, devices connected to the same hub form a broadcast domain, devices connected to the same Bridge form a broadcast domain
18
The tree network topology is actually a hierarchical star structure, which is easy to scale the network, but the higher the level, the more serious the network problems caused by node failures
true
19
What are the following common devices that are not part of a data communication network,(sc)
agile controller
20
Using a traditional landline phone to make calls is a way to communicate over the network
false
21
If you use a 5710 gigabit optical module to connect to Huawei S<> switches, the interconnect port operation mode is full duplex by default
true
22
The following description of the switch, is it wrong (sc)
switches generally serve as exit devices to the network
23
Which of the following descriptions about routers is wrong, (sc)
route cannot isolate broadcast Domains
24
The bandwidth determines the rate of data transfer and In the maximum bandwidth of the transfer is determined by the minimum link bandwidth on the transmission path
true
25
The end-to-end latency is equal to the sum of all processing delays on the paths and the queue latency
false
26
Which of the following network is local area network, (mc)
a home network, a company's office network
27
Which of the following communication networks, (mc)
use your computer to watch videos online, use your computer to access the official network, download the email from the company's mailbox and put it on your computer, use instant messaging software to chat with friends
28
What is wrong in the following statements about the main features of the routers, (mc)
implement communication between devices of the same network segment, packet are forwarded based on the source IP address of the received packet
29
Under the trend of mobility, what new requirements Enterprises have put forward for traditional networks, (mc)
consistent business experience anytime anywhere, unified wired and wireless management, enable rapid deployment of mobile applications