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Q121. Which two design recommendations are most appropriate when OSPF is the data center 

core routing protocol? (Choose two.) 

A. Never use passive interfaces. 

B. Use NSSA areas from the core down. 

C. Use totally stub areas to stop type 3 LSAs. 

D. Use the lowest Ethernet interface IP address as the router ID. 

E. Manipulate the reference bandwidth. 

Answer: B,E 


Q122. Refer to the exhibit. 

Which recommended practice is applicable? 

A. If no core layer is deployed, the design will be easier to scale. 

B. A dedicated campus core layer should be deployed for connecting three or more buildings. 

C. If no core layer is deployed, the distribution switches should not be fully meshed. 

D. A dedicated campus core layer is not needed for connecting fewer than five buildings. 

Answer:


Q123. Which security feature can help prevent spoofed packets on the network? 

A. uRPF 

B. ACLs 

C. DAI 

D. DHCP spoofing 

Answer:


Q124. A network team must provide a redundant secure connection between two entities using OSPF. The primary connection will be an Ethernet Private Line and the secondary connection will be a site-to-site VPN. What needs to be configured in order to support routing requirements for over the VPN connection? 

A. GRE Tunnel 

B. HTTPS 

C. Root Certificate 

D. AAA Server 

Answer:


Q125. Which two VPN solutions extend the routing capabilities of basic IPsec VPNs? (Choose two.) 

A. GRE 

B. NVI 

C. DES 

D. VTI 

E. AES 

Answer: A,D 


Q126. Voice and video-conferencing applications that support multistreaming use which protocol? 

A. TCP 

B. RTP 

C. Multipath TCP 

D. SCTP 

Answer:


Q127. Which two services are provided at the aggregation layer in a data center design? (Choose two.) 

A. service module integration 

B. default gateway redundancy 

C. high-speed packet switching backplane 

D. network interface card teaming 

E. Layer 3 domain definitions 

Answer: A,B 


Q128. Which authentication framework is used in wireless networks and point-to-point connections? 

A. EAP 

B. L2TP 

C. TKIP 

D. PPP 

Answer:


Q129. Which option is.correct when.using VSS to combine two physical switches into one logical switch? 

A. Both data planes forward traffic simultaneously. 

B. Only one data plane forwards traffic, while the other data plane is on standby. 

C. Both control planes forward traffic simultaneously. 

D. Control planes are combined into one virtual control plane. 

Answer:


Q130. On which two types of links should routing protocol peerings be established according to best practice? (Choose two.) 

A. distribution links 

B. end user links 

C. transit links 

D. core links 

Answer: C,D