Refer to the exhibit. R1 and R3 are connected to each other via the local serial 0/0/0 interface. Why are they not forming an adjacency? They are in different subnets.…
Refer to the exhibit. A network engineer configured an ACL preventing Telnet and HTTP access to the HQ web server from guest users in the Branch LAN. The address of…
When is the most appropriate time to measure network operations to establish a network performance baseline? at random times during a 10 week period, so that abnormal traffic levels can…
Refer to the exhibit. Why are routers R1 and R2 not able to establish an OSPF adjacency? The router ID values are not the same in both routers. The serial…
Which characteristic would most influence a network design engineer to select a multilayer switch over a Layer 2 switch? ability to build a routing table ability to aggregate multiple ports…
Which action should be taken when planning for redundancy on a hierarchical network design? immediately replace a non-functioning module, service or device on a network continually purchase backup equipment for…
What network design would contain the scope of disruptions on a network should a failure occur? the installation of only enterprise class equipment throughout the network the configuration of all…
A network administrator configures a router with the command sequence: R1(config)# boot system tftp://c1900-universalk9-mz.SPA.152-4.M3.bin R1(config)# boot system rom What is the effect of the command sequence? On next reboot, the…
Which type of network traffic cannot be managed using congestion avoidance tools? TCP UDP IP ICMP Answers Explanation & Hints: Queuing and compression techniques can help to reduce and prevent…
Which queuing algorithm has only a single queue and treats all packets equally? FIFO CBWFQ WFQ LLQ Answers Explanation & Hints: FIFO queuing sends packets out an interface in the…
Voice packets are being received in a continuous stream by an IP phone, but because of network congestion the delay between each packet varies and is causing broken conversations. What…
What are two reasons to create a network baseline? (Choose two.) to determine what kind of equipment to implement to evaluate security vulnerabilities in the network to identify future abnormal…
What is a definition of a two-tier LAN network design? access and core layers collapsed into one tier, and the distribution layer on a separate tier access and distribution layers…
As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of? providing redundant links that dynamically block or forward traffic…
Which type of VPN involves a nonsecure tunneling protocol being encapsulated by IPsec? GRE over IPsec dynamic multipoint VPN IPsec virtual tunnel interface SSL Explanation & Hint: The type of…
Which statement describes an important characteristic of a site-to-site VPN? It must be statically set up. It is ideally suited for use by mobile workers. It requires using a VPN…
Which two statements about the relationship between LANs and WANs are true? (Choose two.) Both LANs and WANs connect end devices. WANs connect LANs at slower speed bandwidth than LANs…
What is the function of the Diffie-Hellman algorithm within the IPsec framework? allows peers to exchange shared keys provides strong data encryption guarantees message integrity provides authentication Answers Explanation &…
What two algorithms can be part of an IPsec policy to provide encryption and hashing to protect interesting traffic? (Choose two.) AES SHA DH RSA PSK Answers Explanation & Hints:…
Which circumstance would result in an enterprise deciding to implement a corporate WAN? when its employees become distributed across many branch locations when the network will span multiple buildings when…