VERIFIED 2026 IT Infrastructure Security EXAM WITH CORRECT ANSWERS.

VERIFIED 2026 IT Infrastructure Security EXAM WITH CORRECT ANSWERS
• Question 1
1 out of 1 points
A defines how a business gets back on its feet after a major
disaster like a fire or hurricane.
Selected
Answer:
disaster recovery plan
(DRP)
Correct
Answer: disaster recovery plan
(DRP)
• Question 2
1 out of 1 points
The represents the fourth layer of defense for a typical IT
infrastructure.
Selected
Answer: LAN-to-WAN
Domain
Correct
Answer:
LAN-to-WAN
Domain
• Question 3
1 out of 1 points
The requirement to keep information private or secret is the definition of
.
Selected
Answer:
confidentia
lity
Correct
Answer: confidentia
lity
• Question 4
1 out of 1 points
The director of IT security is generally in charge of ensuring that the
conforms to policy.
Selected
Answer: Workstation
Domain
Correct
Answer:
Workstation
Domain

, VERIFIED 2026 IT Infrastructure Security EXAM WITH CORRECT ANSWERS
• Question 5
1 out of 1 points
Which of the following is the definition of ciphertext?
Selected
Answer:
The opposite of cleartext. Data sent as ciphertext is not
visible and not decipherable.
Correct
Answer: The opposite of cleartext. Data sent as ciphertext is not
visible and not decipherable.
• Question 6
1 out of 1 points
Today, people working in cyberspace must deal with new and constantly
evolving .
Selected
Answer: threa
ts
Correct
Answer: threa
ts
• Question 7
1 out of 1 points
With wireless LANs (WLANs), radio transceivers are used to transmit IP
packets from a WLAN NIC to a .
Selected
Answer:
wireless access point
(WAP)
Correct
Answer: wireless access point
(WAP)
• Question 8
1 out of 1 points
The tunnel can be created between a remote workstation using the public
Internet and a VPN router or a secure browser and Web site.
Selected
Answer: Secure Sockets Layer virtual private network
(SSL-VPN)
Correct
Answer:
Secure Sockets Layer virtual private network
(SSL-VPN)
• Question 9
1 out of 1 points

, VERIFIED 2026 IT Infrastructure Security EXAM WITH CORRECT ANSWERS

The physical part of the LAN Domain includes a , which is an
interface between the computer and the LAN physical media.
Selected
Answer:
network interface card
(NIC)
Correct
Answer: network interface card
(NIC)
• Question 10
1 out of 1 points
is the practice of hiding data and keeping it away from
unauthorized users.
Selected
Answer: Cryptogra
phy
Correct
Answer:
Cryptogra
phy
• Question 11
1 out of 1 points
What name is given to an attack that uses ping or ICMP echo-request,
echo-reply messages to bring down the availability of a server or system?
Selected
Answer:
denial of service
(DoS)
Correct
Answer: denial of service
(DoS)
• Question 12
1 out of 1 points
The in analog communications is one error for every 1,000 bits
sent; in digital communications, the is one error for every
1,000,000 bits sent.
Selected
Answer: bit error
rate
Correct
Answer:
bit error
rate
• Question 13
1 out of 1 points

, VERIFIED 2026 IT Infrastructure Security EXAM WITH CORRECT ANSWERS

If VoIP traffic needs to traverse through a WAN with congestion, you need
.
Selected
Answer:
quality of service
(QoS)
Correct
Answer: quality of service
(QoS)
• Question 14
1 out of 1 points
is a technique where multiple light streams can transmit data
through a single strand of fiber.
Selected
Answer: Dense wavelength division multiplexing
(DWDM)
Correct
Answer:
Dense wavelength division multiplexing
(DWDM)
• Question 15
1 out of 1 points
Network devices can implement to better support VoIP and SIP
IP packets and reduce dropped calls and delays.
Selected
Answer: traffic
prioritization
Correct
Answer: traffic
prioritization
• Question 16
1 out of 1 points
As users upgrade LANs to GigE or 10GigE, switches must support
and data IP traffic.
Selected
Answer: voic
e
Correct
Answer: voic
e
• Question 17
1 out of 1 points