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Q1. Which option is enabled by default on Cisco IOS and IOS XE routers? 

A. IPv6 unicast routing 

B. IPv4 unicast routing 

C. IPv6 and IPv4 unicast routing 

D. SSH server 

E. HTTP server 

F. SSH and HTTP server 

G. AAA console login authentication 

Answer:

Explanation: 

Q2. Which Cisco IOS CLI command is used to verify the speed and duplex settings on the Fa0/1 port on a Cisco switch? 

A. show ip interfaces fa0/1 

B. show interfaces fa0/1 

C. show interfaces fa0/1 switchport 

D. show ip interfaces brief 

E. show interfaces switchport 

Answer:

Explanation: 

Q3. Which three statements about Cisco Discovery Protocol operations on a Cisco ME3400 switch are true? (Choose three.) 

A. Cisco Discovery Protocol is enabled by default on NNI ports. 

B. Cisco Discovery Protocol is enabled by default on all NNI, ENI, and UNI ports. 

C. Cisco Discovery Protocol is disabled by default on ENI ports. 

D. Cisco Discovery Protocol is not supported on NNI or ENI ports. 

E. Cisco Discovery Protocol is not supported on UNI ports. 

Answer: A,C,E Explanation: 

Q4. Refer to the exhibit. 

Which configuration is necessary to support this output? 

A. interface Ethernet0 

B. ip address 192.168.3.1 255.255.255.0 ip nat outside ! interface Ethernet1 ip address 192.168.4.1 255.255.255.0 ip nat outside ! interface Serial0 ip address 172.17.38.1 255.255.255.0 ip nat inside ! ip nat inside source list 1 interface Serial0 overload ! access-list 1 permit 192.168.3.0 0.0.0.255 access-list 1 permit 192.168.4.0 0.0.0.255 

interface Ethernet0 

C. ip address 192.168.3.1 255.255.255.0 ip nat inside ! interface Ethernet1 ip address 192.168.4.1 255.255.255.0 ip nat inside ! interface Serial0 ip address 172.17.38.1 255.255.255.0 ip nat outside ! ip nat inside source list 1 interface Serial0 overload ! access-list 1 permit 172.17.38.0 0.0.0.255 

interface Ethernet0 

D. ip address 192.168.3.1 255.255.255.0 ip nat inside ! interface Ethernet1 ip address 192.168.4.1 255.255.255.0 ip nat inside ! interface Serial0 ip address 172.17.38.1 255.255.255.0 ip nat outside ! ip nat inside source list 1 static 172.17.38.1 ! access-list 1 permit 192.168.3.0 0.0.0.255 access-list 1 permit 192.168.4.0 0.0.0.255 interface Ethernet0 

E. ip address 192.168.3.1 255.255.255.0 ip nat inside ! interface Ethernet1 ip address 192.168.4.1 255.255.255.0 ip nat inside ! interface Serial0 ip address 172.17.38.1 255.255.255.0 ip nat outside ! ip nat inside source list 1 interface Serial0 overload ! access-list 1 permit 192.168.3.0 0.0.0.255 access-list 1 permit 192.168.4.0 0.0.0.255 

Answer:

Explanation: 

Q5. Which statement about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true? 

A. Use the negotiation auto command in interface configuration mode to enable link auto-negotiation to ensure that devices that share a link segment are automatically configured with the highest performance. 

B. The configuration supports only full-duplex operation. 

C. The range for MTU values is 64 bytes to 1518 bytes on the interface. 

D. The interface has no flow control configuration. 

Answer:

Explanation: 

Q6. On Cisco IOS XR, for which purpose is the turboboot procedure used? 

A. to boot the router into ROM Monitor mode 

B. to install the IOS XR software from scratch using the ROM Monitor mode 

C. to install and boot up a PIE 

D. to install and boot up a SMU 

E. to perform an ISSU 

F. to speed up the time it takes to boot up the IOS XR router 

Answer:

Explanation: 

Q7. Which feature is used to protect the control plane of the router? 

A. port security 

B. uRPF 

C. routing protocol authentication 

D. VRF 

E. SSH 

F. SSL 

Answer:

Explanation: 

Q8. Which two statements about Packet over SONET are true? (Choose two.) 

A. POS is a Layer 2 technology that uses PPP in ATM encapsulation and SONET framing. 

B. The Layer 2 frame is encapsulated into a generic HDLC header (not Cisco proprietary HDLC) and placed into the appropriate SONET Payload Envelope. 

C. The FCS field can be set to 16 bits on one end and 32 bits on the other end of a POS connection without causing any connectivity issues. 

D. The Cisco POS interface supports Cisco HDLC and PPP encapsulation. 

E. POS can be used in a point-to-point or point-to-multipoint environment. 

Answer: B,D 

Explanation: 

Q9. With IPv6, for which purpose are router solicitation and router advertisement used? 

A. routing protocol updates 

B. routing protocol neighbor peerings 

C. router and prefix discovery 

D. Layer 3 to Layer 2 address resolution (similar to IPv4 ARP) 

Answer:

Explanation: 

Q10. Which SNMPv2/SNMPv3 operation is not supported in Cisco IOS XR software? 

A. get-bulk 

B. get-request 

C. inform 

D. trap 

E. set-request 

Answer:

Explanation: