What type of cable is an RJ45?

• Coaxial cable

• Straight through cable

• Twisted-pair cable

• Fiber-optic cable

What command can you use to verify duplex and speed?

• show interface x/x

• show config

True or false? Switches cannot directly be connected to another LAN or the internet unless it is via a router.

• True

• False

In which of these modes of data transmission can communication occur in either direction at the same time?

• Simplex mode

• Half-duplex mode

• Full-duplex mode

True or false? TCP uses a three-way handshake to establish a connection between two devices.

• True

• False

Which of these topologies has all the devices connected to a single backbone cable?

• Tree topology

• Bus topology

• Mesh topology

• Star topology

What is a deferred counter?

• A count of the number of times an interface tried to send a message but failed in the first attempt

• Devices reporting late collision

• Number of output packets divided by the total number of collisions

• indicator that too many devices connected on the shared medium

Which of the following is an indicator that too many devices are connected on the shared medium?

• Devices reporting late collision

• Number of output packets divided by the total number of collisions

• Indicator that too many devices connected on the shared medium

(a)   is one of the most widely used client-server architectures around the world.

• 3-tier architecture

• 2-tier architecture

• Spine leaf architecture

• SOHO architecture

True or false? TCP is a connectionless protocol.

• True

• False