NTA PRACTICE EXAM QUESTIONS AND ANSWERS
Which of the following devices is necessary to create a WAN?
A router
Which protocol is connection-oriented, and therefore uses a sequencing function to open up a port?
TCP
Considering the differences between LANs and WANs, which statement is true?...
Which of the following devices is necessary to create a WAN?
A router
Which protocol is connection-oriented, and therefore uses a sequencing function
to open up a port?
TCP
Considering the differences between LANs and WANs, which statement is true?
A LAN is a group of networked computers within a confined geographic area.
You have noted a security threat to your company's network computers and
telephony devices, so several employees are attempting to minimize damage.
They are in a room that has multiple redundant connections and the ability to
remotely control remote servers, workstations and network devices. What is the
name for this type room?
Network Operations Center (NOC)
You are traveling to a corporate office outside your country. You will need to
connect to the corporate network. Which of the following will you most likely
require to use your computer?
A plug adapter
In the TCP/IP suite of protocols, which protocol is responsible for providing
addresses for each computer?
IP
Which of the following is used in packet-based networks to ensure that a packet
is valid?
The Cyclical Redundancy Check (CRC)
Which of the following monitors traffic and creates a barrier between a trusted
network and an untrusted network?
Firewall
Which statement best describes the functionality of a Voice over IP (VoIP)
network?
Voice calls are sent over a packet-based network that uses TCP/IP.
You are working with an Internet Service Provider (ISP) in London, England. You
need to provide access to a Web server based in Stratford-Upon-Avon. You
require a data transfer rate of at least 4.3 Mbps. Which service would you
choose?
E2
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