CCNA-Extra Questions-Chap1-18-Bobby

What is the function of a router in a network?

• To provide a wireless connection

• To connect multiple networks and route packets between them

• To store data for network users

• To manage print jobs

Which layer of the OSI model is responsible for error-free delivery of data?

• Physical

• Data Link

• Network

• Transport

What does the 'show interfaces' command display on a Cisco router?

• Routing table information

• Interface configuration and status

• VLAN assignments

• Firewall settings

What type of address is FF-FF-FF-FF-FF-FF in a network?

• A unicast address

• A broadcast address

• A multicast address

• A null address

Which command on a Cisco switch can be used to view the status of ports and their associated VLANs?

• show vlan brief

• show port status

• show interfaces switchport

• show vlan status

What is the purpose of the Spanning Tree Protocol (STP)?

• To provide multiple gateways for redundancy

• To prevent routing loops in a network

• To prevent broadcast storms

• To prevent loops in a network at Layer 2

In which layer of the OSI model does IP operate?

• Physical

• Data Link

• Network

• Transport

Which protocol is used to automatically assign IP addresses to devices on a network?

• DNS

• DHCP

• SMTP

• FTP

What is the binary equivalent of the decimal number 232?

• 11101000

• 11100100

• 10101010

• 10011000

What is a characteristic of UTP cabling?

• Requires grounding

• Resistant to electrical interference

• Less expensive than fiber optic

• Transmits data via light