Comprehensive Questions and
Solutions Graded A+
1. Which two traffic types use the Real-Time Transport Protocol
(RTP)? (Choose two.)
-video
-web
-file transfer
-voice
-peer to peer Answer: -video
-voice
2. Which wireless technology has low-power and data rate
requirements mak- ing it popular in home automation
applications?
-ZigBee
-LoRaWAN
-5G
-Wi-Fi Answer: ZigBee
3. Which layer of the TCP/IP model provides a route to forward
messages through an internetwork?
-application
-network access
,-internet
-transport Answer: internet
4. Which type of server relies on record types such as A, NS, AAAA,
and MX in order to provide services?
-DNS
-file
-web Answer: DNS
5. What are proprietary protocols?
-protocols developed by private organizations to operate on any
vendor hard-
,ware
-protocols that can be freely used by any organization or vendor
-protocols developed by organizations who have control over their
definition and operation
-a collection of protocols known as the TCP/IP protocol suite Answer:
protocols developed by organizations who have control over their definition and operation
6. What service is provided by DNS?
-Resolves domain names, such as cisco.com, into IP addresses.
-A basic set of rules for exchanging text, graphic images, sound,
video, and other multimedia files on the web.
-Allows for data transfers between a client and a file server.
-Uses encryption to secure the exchange of text, graphic images,
sound, and video on the web. Answer: Resolves domain names, such as cisco.com,
into IP addresses.
7. A client packet is received by a server. The packet has a
destination port number of 110. What service is the client
requesting?
-DNS
-DHCP
-SMTP
-POP3 Answer: POP3
8. What command can be used on a Windows PC to see the IP
configuration of that computer?
-show ip interface brief
-ping
-show interfaces
-ipconfig Answer: ipconfig
9. A wired laser printer is attached to a home computer. That
printer has been shared so that other computers on the home
, network can also use the printer. What networking model is in use?