You have a Telnet session established with a switch from a router. You would like to maintain that connection
while you return to the session with the router, and then easily return to the switch session after connecting to
the router.
What command should you use?

A.
<Ctrl-Shift-6>x

B.
resume

C.
suspend

D.
<Ctrl-Alt-6>shift

Explanation:
After typing the Ctrl-Shift-6 sequence, you can tap the x key and return to the previous session, which in this
case was the session with the router. Below is the full sequence of commands described in this item:
Router1#telnet 192.168.3.3
Tying 192.168.3.3..Open
User Access Verification
Password:
Switch2><Ctrl-Shift-6>x
Router1#
When you desired to return to the session with the switch, you would use the resume command as shown
below:
Router1#resume
Switch>
Neither the suspend nor the <Ctrl-Alt-6>shift commands are valid commands.
Objective:
Infrastructure Management
Sub-Objective:
Perform device maintenance

Establishing Telnet Sessions>Suspending and Terminating Telnet Sessions