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Q1. Which two statements about classful or classless routing protocol operations are true? (Choose two.) 

A. Classful routing protocols do not send subnet mask information with their 

B. routing updates. 

Variable-length subnet masks are supported when using classful routing protocols. 

C. Examples of classless routing protocols include RIPv1, EIGRP, OSPF, and 

D. IS-IS. 

Classful routing protocols do not support discontiguous subnets. 

Answer: A,D 

Explanation: 

Q2. Refer to the exhibit. 

You want to enable these three actions: 

.

 Enable the fa0/1 router's interface to obtain its interface IP address dynamically from a DHCP server. 

.

 Enable the router to configure the next hop ip address of the default route automatically based on the DHCP response. 

.

 Enable the router to act as the DHCP server for other clients connected to the router fa0/2 interface. 

Which three Cisco IOS configurations must you use? (Choose three.) 

A. ip route 0.0.0.0 0.0.0.0 fa0/1 

B. ip route 0.0.0.0 0.0.0.0 dhcp 

C. ip dhcp excluded-address 192.168.101.1 

D. ! ip dhcp pool test1 network 192.168.101.0 255.255.255.0 default-router 192.168.101.1 dns-server 200.165.200.101 ip dhcp pool test2 

E. ip local pool test2 192.168.101.2 192.168.101.254 default-router 192.168.101.1 dns-server 200.1665.200.101 int fa0/1 

F. ip address auto int fa0/1 

G. ip address dhcp int fa0/1 

H. ip helper-address dhcp 

Answer: B,C,F 

Explanation: 

Q3. Which type of IPv6 address does the ff00::/8 prefix denote? 

A. local loopback 

B. global unicast 

C. unique link local 

D. link local unicast 

E. multicast 

F. anycast 

Answer:

Explanation: 

Q4. Which Cisco IOS XR command presents a list of all interfaces, their Layer 3 address (if configured), and the status of the interface and protocol? 

A. RP/0/RSP0/CPU0:PE1# show interface GigabitEthernet 0/0/0/1 

B. RP/0/RSP0/CPU0:PE1# show controllers 

C. RP/0/RSP0/CPU0:PE1(admin)# show hw-module fpd location all 

D. RP/0/RSP0/CPU0:PE1(config)# show bundle 

E. RP/0/RSP0/CPU0:PE1(admin)# show platform 

F. RP/0/RSP0/CPU0:PE1# show ipv4 interfaces brief 

Answer:

Explanation: 

Q5. Which Cisco IOS XR command displays information about statically configured routes and their corresponding interface or next-hop? 

A. show ipv4 interfaces brief 

B. show route connected 

C. show interfaces Loopback 

D. show route static 

E. show route ospf 

Answer:

Explanation: 

Q6. Which pair of mechanisms are often used together to allow dynamic routing over a secured site-to-site VPN tunnel? 

A. GRE + SSL 

B. VTI + SSL 

C. VRF + SSL 

D. GRE + IPsec 

E. L2TP + IPsec 

F. VRF + IPsec 

Answer:

Explanation: