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Questions and Answers
What is the first host address in the network 210.20.77.0?
What is the first host address in the network 210.20.77.0?
How many usable host addresses are available in a Class C network with 256 addresses?
How many usable host addresses are available in a Class C network with 256 addresses?
In subnetting a Class C network, if 5 bits are used for subnet addressing, how many subnets can be created?
In subnetting a Class C network, if 5 bits are used for subnet addressing, how many subnets can be created?
What is reserved for the broadcast address in the network 210.20.77.0?
What is reserved for the broadcast address in the network 210.20.77.0?
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What is the default subnet mask for a Class C address?
What is the default subnet mask for a Class C address?
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When calculating the subnet address using the binary method, what operation is performed between the IP address and the subnet mask?
When calculating the subnet address using the binary method, what operation is performed between the IP address and the subnet mask?
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In the range of available addresses for the network 210.20.77.0, what is the last usable host address?
In the range of available addresses for the network 210.20.77.0, what is the last usable host address?
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Which bit-wise operation results in a '0' for both inputs when calculating subnet addresses?
Which bit-wise operation results in a '0' for both inputs when calculating subnet addresses?
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What is the default subnet mask for Class B IP addresses?
What is the default subnet mask for Class B IP addresses?
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In a Class C address with a subnet mask of 255.255.255.0, how many bits are used for the host portion?
In a Class C address with a subnet mask of 255.255.255.0, how many bits are used for the host portion?
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Which of the following represents a Class A address in the default addressing scheme?
Which of the following represents a Class A address in the default addressing scheme?
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What does the prefix '/24' indicate in the IP address 192.168.10.2/24?
What does the prefix '/24' indicate in the IP address 192.168.10.2/24?
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What is the range of IP addresses classified as Class C?
What is the range of IP addresses classified as Class C?
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How many networks are available in Class A?
How many networks are available in Class A?
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Which Class IP address utilizes a default subnet mask of 255.255.255.0?
Which Class IP address utilizes a default subnet mask of 255.255.255.0?
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What is the primary criterion used by RIP to determine the best path between networks?
What is the primary criterion used by RIP to determine the best path between networks?
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What is the total number of host IDs available in a Class B network with a /16 prefix?
What is the total number of host IDs available in a Class B network with a /16 prefix?
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What does a distance value of 0 indicate in routing configurations?
What does a distance value of 0 indicate in routing configurations?
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What is the default distance for routes in RIP?
What is the default distance for routes in RIP?
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How frequently do routers using RIP exchange their routing information by default?
How frequently do routers using RIP exchange their routing information by default?
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Which protocol is NOT classified as a dynamic routing protocol?
Which protocol is NOT classified as a dynamic routing protocol?
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What happens if no update is received by a router for 180 seconds in RIP?
What happens if no update is received by a router for 180 seconds in RIP?
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Which of the following routing protocols is classified as an external protocol?
Which of the following routing protocols is classified as an external protocol?
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In static routing, how can multiple routes be prioritized?
In static routing, how can multiple routes be prioritized?
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How many usable hosts are there per subnet in a /29 subnet mask?
How many usable hosts are there per subnet in a /29 subnet mask?
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What is the first subnet address for the IP 211.215.9.115/29?
What is the first subnet address for the IP 211.215.9.115/29?
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What is the broadcast address for the first subnet of the IP address 211.215.9.115/29?
What is the broadcast address for the first subnet of the IP address 211.215.9.115/29?
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What does the term 'subnet bits' indicate in the context of subnetting?
What does the term 'subnet bits' indicate in the context of subnetting?
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How many bits are typically added for 3 required subnets?
How many bits are typically added for 3 required subnets?
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Which type of routing uses protocols that adjust automatically for topology changes?
Which type of routing uses protocols that adjust automatically for topology changes?
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What does a routing table indicate in a router?
What does a routing table indicate in a router?
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What is the primary function of a static route in networking?
What is the primary function of a static route in networking?
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Study Notes
Computer Networks - Network Layer (Continued)
- The lecture covers the Network Layer, focusing on addressing, subnetting, masks, and routing.
- The Network Layer is part of the TCP/IP model.
- A 32-bit binary address is divided into four 8-bit sections (octets).
- Addresses are often expressed in dotted decimal notation (e.g., 192.168.10.44).
- Each class of IP address has a default subnet mask.
- Class A uses /8, Class B uses /16, and Class C uses /24.
- Subnet masks are represented by dotted decimal format (e.g., 255.0.0.0).
- Knowing the number of bits assigned to the network and host is crucial.
- The number of network bits and their positions come after the IP address in the "slash" notation (e.g., /24).
- The first and last host addresses are reserved for network and broadcast addresses.
- This leaves 254 usable host addresses for a Class C address.
- Subnetting divides a network into smaller subnets.
- Subnetting is done by taking bits from the host portion to create subnet portions, leaving fewer bits for the actual host portion.
- Subnet masks define how network and host bits are divided.
- To calculate a subnet address, perform a bitwise AND operation between the IP address and the subnet mask.
- A routing table helps routers identify appropriate network destinations.
- Routers use destination addresses and routing tables to determine the best path for data packets.
- Static routing is manually configured.
- Dynamic routing (like RIP) involves routers updating their routing tables dynamically.
- RIP (Routing Information Protocol) protocol is distance-vector:
- It uses hop count as a routing metric to determine the best path.
- Routers send updates every 30 seconds.
- The hop count values max out at 15, as a route with a hop count of 16 is considered unreachable,
- RIP uses port 520.
- Routers use these tables to decide best paths to forward packets.
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Description
This quiz tests your knowledge on the Network Layer, focusing on key topics such as IP addressing, subnetting, and routing. You'll explore the intricacies of 32-bit binary addresses, subnet masks, and the various classes of IP addresses. Prepare to demonstrate your understanding of how these concepts are applied within the TCP/IP model.