Networking Review Activity

Which of the following network topologies connects all devices to a central hub or switch?

• Mesh Topology

• Star Topology

• Ring Topology

• Bus Topology

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DOK Level 2: Skill/Concept

In an IPv4 addressing scheme, how many bits are used to represent an IP address?

• 16 bits

• 32 bits

• 64 bits

• 128 bits

Answer explanation

In an IPv4 addressing scheme, an IP address is represented using 32 bits. This allows for approximately 4.3 billion unique addresses, which is essential for identifying devices on a network.

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DOK Level 2: Skill/Concept

Which logical port number is commonly used for HTTP services?

• 21

• 80

• 443

• 25

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DOK Level 2: Skill/Concept

What is the primary function of the DHCP network service?

• To resolve domain names to IP addresses

• To assign IP addresses to devices on a network

• To encrypt data for secure transmission

• To monitor network traffic

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DOK Level 2: Skill/Concept

In subnetting, what is the purpose of a subnet mask?

• To identify the default gateway

• To determine the network and host portions of an IP address

• To encrypt data packets

• To assign MAC addresses

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DOK Level 2: Skill/Concept

In a ring topology, what happens if one device fails?

• The entire network fails

• Only the failed device is affected

• The network continues to function normally

• The network switches to a backup topology

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DOK Level 2: Skill/Concept

What is the range of a Class C IPv4 address?

• 1.0.0.0 to 126.255.255.255

• 128.0.0.0 to 191.255.255.255

• 192.0.0.0 to 223.255.255.255

• 224.0.0.0 to 239.255.255.255

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DOK Level 2: Skill/Concept

Which logical port is used by the HTTPS protocol?

• 20

• 80

• 443

• 110

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DOK Level 2: Skill/Concept

What is the main purpose of the DNS network service?

• To provide dynamic IP addresses

• To translate domain names into IP addresses

• To filter network traffic

• To manage network security

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DOK Level 2: Skill/Concept

In subnetting, what does CIDR stand for?

• Classless Inter-Domain Routing

• Classful Internet Data Routing

• Centralized Internet Data Routing

• Classless Internet Data Routing

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DOK Level 2: Skill/Concept