ITN 101 Mod 08

When a network is segmented into multiple smaller networks, __________ occurs.

Traffic on one network is separated from another network’s traffic.

The primary goals of network segmentation are to enhance __________, improve performance, and simplify troubleshooting.

Security

A __________ is used so devices can determine which part of an IP address is the network ID and which part is the host ID.

Subnet mask

In the context of subnetting, you can borrow bits from __________ information for network information.

Host

To calculate subnets, you need to determine the __________ mask.

Subnet

In IPv4 addressing, an address is divided into two parts: a network ID and a __________ ID.

Host

A __________ is a single physical connection between switches that can manage multiple VLANs.

Trunk

In most situations, each VLAN is assigned its own __________ of IP addresses.

Subnet

Dynamic VLAN assignments can be based on client device information or __________ processes.

Authentication

Common VLAN types include Default VLAN, Data VLAN, Management VLAN, and __________ VLAN.

Voice

What is the purpose of a subnet mask in networking?

To differentiate between the network ID and the host ID within an IP address.

What does VLAN stand for?

Virtual Local Area Network.

What is the role of a trunk link in a network?

To carry traffic from multiple VLANs across a single physical connection.

What is a Default VLAN?

The VLAN that is assigned to switch ports by default before any configuration is applied.

What does dynamic VLAN assignment allow for?

It permits VLAN membership to be determined based on device characteristics or authentication.

Which protocol is commonly used for VLAN tagging?

IEEE 802.1Q.

What is meant by network performance in the context of segmentation?

Improving response times and reducing congestion by isolating traffic.

What is the key benefit of simplifying troubleshooting in network segmentation?

Easier identification of network issues within isolated segments.

What is a VLAN's main advantage in a network?

To logically segment networks for improved security and management.

How is network segmentation achieved?

By creating multiple VLANs and using subnetting.

What is trunking in the context of VLANs?

The process of allowing multiple VLANs to communicate over a single link.

What happens when a device is connected to an unassigned VLAN?

It may not be able to communicate with other devices on the network.

What is the significance of a management VLAN?

It is used for network management traffic, improving security by isolating management traffic.

What protocol is used for dynamic VLAN assignments?

RADIUS (Remote Authentication Dial-In User Service).

What is the concept of inter-VLAN routing?

Routing that allows communication between different VLANs.

Why is a default VLAN important?

It ensures that devices can communicate with each other even before explicit VLAN assignments.

What type of traffic is typically handled by a Voice VLAN?

Traffic related to voice communication, such as VoIP.

What is a common challenge in managing VLANs?

Ensuring proper configuration and avoiding misconfigurations that can lead to security risks.

What does a subnet do in a network?

A subnet divides a larger network into smaller, manageable pieces.

What is the maximum number of hosts for a /24 subnet?

254 hosts.

How do you calculate the number of usable hosts in a subnet?

Subtract 2 from the total number of addresses, which accounts for the network and broadcast addresses.

What is an example of a Class C subnet mask?

255.255.255.0.

In what scenario would you use a /30 subnet mask?

To create a point-to-point link between two devices.

What command would you use to display the IP routing table on a Cisco device?

The command 'show ip route'.

What is the purpose of the default gateway in a subnet?

To provide a route for traffic destined for other networks.

Which IP address range is considered a private Class C address?

192.168.0.0 to 192.168.255.255.

How can you increase the number of available hosts in a subnet?

By using a larger subnet mask.

Networks are commonly segmented according to one of the following groupings:

Geographic locations, Departmental boundaries, and Device types.

Network segments that are more accessible to the internet are known by what new term?

Screened Subnet

An IPv4 address is presented in the dotted quad format consisting of four decimal values, separated by dots. What is the highest decimal value assignable to one of the quads?

255

To improve performance and relieve congestion, you are going to create specialized subnets for high volume segments. Which class is C subnet mask would you use?

/29

How would the decimal number 4 be represented as a binary value?

100

What is a screened subnet?

A screened subnet is a network segment that is more accessible to the internet and typically includes a buffer, such as a firewall, to protect internal network resources.

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