System and Network Administration

Who is primarily responsible for managing user accounts, performing backups, and ensuring server security?

Which professional is responsible for maintaining network hardware like routers and implementing firewall policies?

In the Client-Server model, which role typically initiates communication?

Which type of computer in a network is characterized by powerful hardware and running in the background to respond to requests?

Your web browser making a request to a website is an example of what?

What network topology connects all devices to a single central cable or backbone?

What is the main disadvantage of a Bus topology?

Which network topology is the most common today, where all devices connect to a central switch?

Which topology offers the highest reliability and redundancy by connecting every device to every other device?

What is a major drawback of a full Mesh topology?

At which layer of the OSI model does routing and logical addressing (IP addresses) occur?

Which OSI layer is responsible for data translation, encryption, and compression?

The Transport layer of the OSI model provides reliable data transfer using which protocol?

MAC addresses are used at which layer of the OSI model?

The TCP/IP model's Application layer corresponds to which three layers of the OSI model?

Which network device operates at Layer 1 and broadcasts signals to all connected ports?

What device operates at Layer 2 and forwards frames to specific ports based on MAC addresses?

Which Layer 3 device is used to connect different networks together using IP addresses?

What is the primary function of a firewall?

A Wireless Access Point (WAP) primarily allows what?

What is the process of dividing a large network into smaller sub-networks called?

What is the default subnet mask for a Class B network?

How many bits must be borrowed from the host portion of a Class B network to create at least 50 subnets?

If you borrow 6 bits from a Class B network, what is the new subnet mask?

What is the CIDR notation for a Class B network that has borrowed 6 bits for subnetting?

For a network with a /22 subnet mask, how many host bits are available?

Using the formula 2^h - 2, how many usable hosts are there per subnet in a /22 network?

What is the "magic number" or block size for a subnet mask of 255.255.252.0?

Given the network 172.16.0.0 and a block size of 4, what is the Network ID of the second subnet?

For the subnet 172.16.4.0 /22, what is the broadcast address?

What is the first usable host IP address for the subnet 172.16.8.0 /22?

What is the last usable host IP address for the subnet 172.16.12.0 /22?

Which of these IP addresses cannot be assigned to a host computer?

The OSI layer responsible for managing connections between applications is the:

Which topology provides low redundancy but is cheap and easy to set up for small networks?

HTTP, FTP, and SMTP are all protocols that operate at which layer of the TCP/IP model?

A switch is considered "smarter" than a hub because it uses a __________ to forward traffic.

In a Star topology, what is the single point of failure?

Which of the following is NOT a primary role of a System Administrator?

What part of an IP address does a subnet mask separate?

Which OSI layer is concerned with bits, signals, and physical hardware like cables?

What is the Network ID for the IP address 172.16.202.55 with a /22 subnet mask?

Which protocol at the Transport layer provides fast but unreliable data transfer?

What is the 50th subnet Network ID created from 172.16.0.0 when borrowing 6 bits?

A computer network is best defined as a collection of interconnected devices for the purpose of...

In a Ring topology, how does a device failure typically affect the network?

The Internet Layer of the TCP/IP model is responsible for which function?

What is the primary reason for subnetting a network?

What is the last subnet Network ID created from 172.16.0.0 /16 when borrowing 6 bits?

Which term refers to the physical or logical arrangement of nodes and connections in a network?