Ccna certification Practice Tests

Router A

Router B

IP network

A. 

Router(config)#ip route 192.168.3.0 255.255.255.0 tunnel 0

B. 

Router(config)#ip route 192.168.2.0 255.255.255.0 tunnel 0

C. 

Router(config)#ip route 192.168.3.0 255.255.255.0 serial 0/0/1

D. 

Router(config)#ip route 192.168.3.0 255.255.255.0 192.168.2.2

 61.  What is the default MTU of a GRE tunnel?

A.  MTU 1476

B.  MTU 1492

C.  MTU 1500

D.  MTU 1528

 62.  Which command will help you verify the source and destination of a GRE tunnel?

A. 

Router#show ip tunnel 0

B. 

Router#show interface tunnel 0

C. 

Router#show ip gre

D. 

Router#show ip route

 63.  In the following exhibit, if you do a traceroute on Router A to a destination of 

192.168.3.50, how many hops will show?

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Chapter 5 

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  Security Fundamentals (Domain 5) 

173

G0/1

G0/1

S0/0/1

Router A#show run

interface serial0/0/1

 ip address 198.34.54.2 255.255.255.0

!

interface tunnel0

 ip address 192.168.2.1 255.255.255.252

 tunnel mode gre ip

 tunnel source serial0/0/1

 tunnel destination 198.44.34.5

interface GigbitEthernet 0/1

 ip address 192.168.2.1

!

ip route 192.168.3.0 255.255.255.0 192.168.2.2

[Output Cut]

Router B#show run

interface serial0/0/1

 ip address 198.44.34.5 255.255.255.0

!

interface tunnel0

 ip address 192.168.2.2 255.255.255.252

 tunnel mode gre ip

 tunnel source serial0/0/1

 tunnel destination 198.34.54.2

interface GigbitEthernet 0/1

 ip address 192.168.2.1

!

ip route 192.168.1.0 255.255.255.0 192.168.2.1

[Output Cut]

192.168.1.0/24

192.168.3.0/24

S0/0/1