CCNA Quiz 1

A network analyst is tasked with configured the date and time on a router using EXEC mode. The date must be set to 12:00am. Which command should be used?

• Clock timezone

• Clock summer-time-recurring

• Clock summer-time date

• Clock set

When a switch receives a frame for a known destination MAC address, how is the frame handed?

• forwarded to the first available port

• broadcast to all ports

• flooded to all ports except the one from which it originated

• sent to the port identified for the known MAC address

Why was the RFC 1918 address space defined?

 

• preserve public IPv6 address space

• conserve public IPv4 addressing

• reduce instances of overlapping IP addresses

• support the NAT protocol

Which protocol requires authentication to transfer a backup configuration file from a router to a remote server?

• TFTP

• FTP

• DTP

• SMTP

Which protocol requires authentication to transfer a backup configuration file from a router to a remote server?

• TFTP

• FTP

• DTP

• SMTP

What is used as a solution for protecting an individual network endpoint from attack?

 

• Router

• Anti software

• Wireless controller

• Cisco DNA Center

What are two disadvantages of a full-mesh topology? (Choose two)

 

• It requires complex configuration

• It needs a high MTU between sites

• It must have point-to-point communication

• It has a high implementation cost

• It works only with BGP between sites

How does MAC learning function on a switch?

• broadcasts frames to all ports without queueing

• adds unknown source MAC addresses to the address table

• sends a retransmission request when a new frame is received

• sends frames with unknown destinations to a multicast group

What is a benefit of using private IPv4 addressing?

• Direct connectivity is provided to internal hosts from outside an enterprise network

• Communication to the internet is reachable without the use of NAT

• Multiple companies can use the same addresses without conflicts.

• All external hosts are provided with secure communication to the Internet.

What is a DNS lookup operation?

• responds to a request for IP address to domain name resolution to the DNS server

• DNS server forwards the client to an alternate IP address when the primary IP is down

• serves requests over destination port 53

• DNS server pings the destination to verify that it is available