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Cisco Introduction to Cisco Networking Technologies Sample Questions:

1. A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?

A) use a different source port for the session
B) start a new session using UDP
C) decrease the sequence number
D) decrease the window size
E) obtain a new IP address from the DHCP server

2. What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?

A) 15
B) 32
C) 14
D) 30
E) 31
F) 16

3. A network administrator is connecting PC hosts A and B directly through their Ethernet interfaces as shown in the graphic. Ping attempts between the hosts are unsuccessful.
What can be done to provide connectivity between the hosts? (Choose two.)

A) A default gateway needs to be set on each host.
B) The subnet masks should be set to 255.255.255.0.
C) A crossover cable should be used in place of the straight-through cable.
D) A rollover cable should be used in place of the straight-through cable
E) The hosts must be reconfigured to use private IP addresses for direct connections of this type.
F) The subnet masks should be set to 255.255.255.192.

4. Which Cisco IOS command identifies the system hardware and the IOS currently running on a router?

A) show running-config
B) show processes
C) show startup-config
D) show version
E) show controllers

5. How will a Cisco 2600 series router respond if the conditions listed below exist during the boot process?
1) The IOS image in flash is missing.
2) No network connectivity is available.
3) The router fallback IOS image is corrupt.

A) The router will enter the prompted setup dialog.
B) The boot will hang until an IOS is available.
C) The router will enter setup mode.
D) The router will enter global configuration mode.
E) The router will enter ROM monitor mode.

Solutions: