Description
Please find and answer 10 CISSP questions on domain 4- Communications and Network Security. Please ensure to answer the correct answer but also state why the other answers are incorrect.
Explanation & Answer
Hello I am through. Please find the answer in the attached word file
Question 1
What IPsec protocol provides confidentiality for the payload of data packets?
AH
ESP
ISAKMP
IKE
The Authentication Headers (AH) protects the integrity of information in an IPsec packet. The
Internet Key Exchange (IKE) protocol is used for encryption key management. The Internet Security
Associations and Key Management Protocol (ISAKMP) is used for encryption key management. An
Encapsulating Security Payload (ESP) is a protocol within the IPSec for providing authentication,
integrity and confidentially of network packets data/payload in IPv4 and IPv6 networks
Question 2
What subnet mask uses 24 bits for the network portion of the address?
255.0.0.0
255.255.255.0
255.255.255.255
255.255.0.0
Using three 8-bit octets (with a decimal value of 255) uses 24 bits for the network portion of the
address. The rest of the answers are incorrect because of this.
Question 3
Which one of the following IP addresses is rou...
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