A company wants employees to access the network securely from home. Which technology should be implemented?

A network technician observes that the office network goes down whenever a single cable is unplugged. Which topology is most likely used?

When you use a web browser to access a website, which OSI layer interacts directly with the browser?

A network administrator detects that packets are being dropped between two routers. Which OSI layer should be checked first?

During a file transfer, the data arrives incomplete. Which OSI layer is responsible for ensuring the complete data delivery?

A user with IP address 192.168.1.5 cannot access another computer with IP 192.168.2.10. Both are connected to the same switch. What is the most likely reason?

When a router forwards packets to a destination network, which information does it primarily use?

Which type of routing automatically updates routes when there are network changes?

An organization wants to prevent its internal IP addresses from being visible on the internet. Which feature should be configured on the router?

A switch operates using which type of address to forward frames efficiently?

A user types a website URL but reaches a different site that looks identical to the original. What kind of attack is most likely occurring?

A hacker intercepts and reads confidential data sent over an unsecured wireless network. What type of threat is this?

A company enforces a policy that requires complex passwords and periodic password changes. Which security principle does this support?

Which protocol ensures secure remote access to a server over the internet?

An organization uses a firewall to filter traffic based on source and destination addresses. What is the main benefit of this?

An employee connects a personal laptop to the company’s network without permission. What type of security issue is this?

During online shopping, using HTTPS instead of HTTP is important because it:

Which security mechanism prevents data from being altered during transmission?

If multiple systems are used to attack one server simultaneously, it is an example of: