CCNA Final Assessment

What is the primary function of a router in a network?

• Broadcasts data to all devices on the network

• Forwards packets based on MAC addresses

• Routes data between different networks

• Translates domain names into IP addresses

Which of the following is a valid IPv4 address?

• 256.256.256.256

• 192.168.1.1

• 300.200.100.50

• 1234.567.890.12

What protocol is used to find the MAC address of a device in the same local network?

• DNS

• ARP

• DHCP

• FTP

Which layer of the OSI model handles data encryption?

• Physical Layer

• Data Link Layer

• Network Layer

• Presentation Layer

What is the purpose of the command ping?

• To transfer files between computers

• To test the reachability of a host

• To configure a router

• To monitor network traffic

What does VLAN stand for?

• Virtual Local Access Network

• Virtual Line Access Node

• Virtual Local Area Network

• Virtual LAN Aggregation Node

Which protocol is used for secure remote access to a router or switch?

• HTTP

• Telnet

• SSH

• FTP

What is the purpose of DHCP in a network?

• Resolves domain names to IP addresses

• Assigns IP addresses automatically to devices

• Routes data between networks

• Transfers files over the network

Which command is used to view the IP configuration on a Cisco device?

• show running-config

• show ip interface brief

• show version

• show mac-address-table

What is the function of a switch in a network?

• Translates domain names into IP addresses

• Routes data between different networks

• Forwards traffic based on MAC addresses

• Encrypts data for secure transmission