B.S.W.E. Bachelor of Software Engineering Computer Networks & Security

Question 1

What does the OSI model stand for?

Accepted Answer

Open Systems Interconnection

Answer

Operational Software Interface

Answer

Open Security Infrastructure

Answer

Object-oriented Systems Integration

Question 2

Which transport layer protocol provides reliable, ordered, and error-checked delivery of data?

Accepted Answer

TCP

Answer

UDP

Answer

ICMP

Answer

ARP

Question 3

What is the purpose of DNS (Domain Name System)?

Accepted Answer

To translate human-readable domain names into IP addresses

Answer

To encrypt web traffic between client and server

Answer

To manage IP address allocation across a network

Answer

To route packets between different networks

Question 4

What is a subnet mask used for?

Accepted Answer

Dividing an IP address into network and host portions to identify which subnet a host belongs to

Answer

Encrypting data sent over a network

Answer

Assigning IP addresses dynamically to devices

Answer

Filtering malicious network traffic

Question 5

Which protocol is used to automatically assign IP addresses to devices on a network?

Accepted Answer

DHCP

Answer

ARP

Answer

SNMP

Answer

FTP

Question 6

What is the difference between symmetric and asymmetric encryption?

Accepted Answer

Symmetric uses the same key for encryption and decryption; asymmetric uses a public key to encrypt and a private key to decrypt

Answer

Symmetric uses no keys; asymmetric uses one key

Answer

Symmetric is slower; asymmetric is faster

Answer

Symmetric is used for hashing; asymmetric is used for signing