THIS DOCUMENT IS A COMPREHENSIVE STUDY GUIDE FOR ITN 100 END
OF COURSE EXAM.
IT INCLUDES THE LATEST 2026/2027 PRACTICE QUESTIONS AND
ANSWERS, ALL GRADED A+
TOPICS COVERED:
1. NETWORKING FUNDAMENTALS: Clients, servers, NICs, hubs,
switches, access points & network topology
2. ETHERNET & WiFi: IEEE 802.3, IEEE 802.11, Hub-based vs switch-
based Ethernet
3. SWITCHING & ISPs: Store and forward, Cut-through, Tier 1/2/3 ISPs,
Backbone Networks
4. WAN & VPNs: PVCs, SCVs, Intranet VPN, Extranet VPN, Access VPN
5. SECURITY: Encryption, Symmetric/Asymmetric, TLS, IPsec, NAT, DMZ,
Firewalls, Phishing, Hackers
6. STORAGE AND RECOVERY: RAID 0/1/5, Data striping, Disaster
Recovery, Avoidance
FORMAT: Easy Q&A flashcard style. Great for quick revision before exam.
DOWNLOAD NOW AND GET THE A+ ADVANTAGE!
, PRACTICE QUESTIONS WITH
ANSWERS GRADED A+ LATEST 2026/2027
>> A ___________ is similar to an intranet in that it uses Internet technologies,
but is developed for users outside the organization
Answer: Extranet
>> In the Internet model, the application layer corresponds to the ________,
layer(s) s of the OSI model
Answer: session, presentation and application
>> Which of the following is true about ISO
-Its name stands for International Organization for Standardization
-It is based in Geneva, Switzerland
-It is one of the most important standards-making bodies All
of the above!!!
Answer: -It makes technical recommendations about data communications
interfaces
>> The three stages of the de juro standardization process are
______________________
Answer: specification, identification of choices and acceptance
>> At the transport layer in the Internet model, TCP is responsible for breaking
large files received from the application layer into smaller packets and opening a
connection to a server for transferring the packets
Answer: True
>> Which is not a function of the physical layer:
, Answer: providing error-free transmission of data
>> According to John Chambers, CEO of Cisco (a leading networking
technology company), the information age is the second Industrial Revolution
Answer: True
>> Telecommunications is the transmission of voice and video as well as data
and implies transmitting a longer distance than in a data communication network
Answer: True
>> Which of the following is not an application layer standard?
Answer: T1
>> A local area network is
Answer: a group of personal computers or terminals located in the same
general area and connected by a common cable (communication circuit) so
they can exchange information
>> Due to recent advances in high speed communication networks, the information
lag, or the time it takes for information to be disseminated around the world, has
been significantly shortened
Answer: True
>> The primary reason for networking standards is to:
Answer: ensure that hardware and software produced by different vendors
can work together
>> Which of the following is not an important future trend in communication
and networking?
Answer: development of online batch systems