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NEW QUESTION 85
Refer to the exhibit
Which two design options reduce the size of OSPF database? (Choose two)
- A. Type 3 LSA filtering
- B. Loop Free Alternate
- C. Incremental SPF
- D. Prefix suppression
- E. Layer 2 link aggregation between core switches
Answer: D,E
NEW QUESTION 86
You are the SAN designer for company XYZ. Due to budget constraint, there is increased pressure by management to further optimize server utilization by implementing virtualization technologies on all servers and increase virtual machines density. Faced with some SAN challenges, the server team requests your help in the design and implementation of the SAN in the new virtualized environment. In which two ways can NPIV be used in your proposed design?
- A. NPIV is used to assign multiple FCIDs to a single N Port
- B. NPIV can be used to allow hosts be members of different zones
- C. NPIV is used to define and bind multiple virtual WWNs (Vls) to a single physical pWWN
- D. NPIV can be used to allow multiple applications on the same port to use different lDs in the same VSAN
Answer: A,D
Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/5_0/configuration/guides/int/nxos/cli_in
NEW QUESTION 87
A data center deign requires monitoring of their business critical voice and video services accessed by remote locations. Which two items are applicable? (Choose two)
- A. The applications being monitored must be assigned unique DSCP values
- B. If multiple applications share the same DSCP or CoS values, NBAR can be utilized
- C. The applications being monitored must be assigned a unique QoS profile
- D. If multiple applications share the same the same DSCP or CoS values, IPFIX can be utilized
- E. The applications being monitored must be assigned a unique CoS value
- F. The reporting data must be assigned to a QoS profile to ensure accurate statistics
Answer: D,F
NEW QUESTION 88
You are designing a new Ethernet-based metro-area network for an enterprise customer to connect 50 sites within the same city OSPF will be the routing protocol used. The customer is primarily concerned with IPv4 address conservation and convergence time. Which two combined actions do you recommend? (Choose two)
- A. Use a single address per router for all P2P links
- B. Use P2P links between routers in a hub-and-spoke design
- C. Use a multipoint Metro-E service for router connections
- D. Configure address aggregation at each site router
- E. Determine which OSPF routers will be DR/BDR
Answer: B,C
NEW QUESTION 89
In a VPLS design solution, which situation indicates that BGP must be used instead of LDP in the control plane?
- A. BGP supports VPLS interworking
- B. MAC address learning scales better through BGP
- C. There are no full-mesh pseudowire due to the route reflection feature of BGP
- D. Pseudowire configuration overhead is reduced
Answer: B
NEW QUESTION 90
You are designing an MPLS Layer 3 VPN network where the data path must be the same in both directions.
Sites are connected to two PE routers. Which two design considerations allow this symmetric routing to be achieved? (Choose two.)
- A. There must not be any equal cost paths for the IGP and the BGP inside the MPLS backbone, and the routing for IGP and the BGP must use the same path in both directions.
- B. No equal cost paths for the BGP can be inside the MPLS backbone, and the routing for BGP must use the same path in both directions. The IGP routing does not matter.
- C. Cisco MPLE TE can be used, but the TE tunnels in both directions must be set up so that the same path is used.
- D. When Cisco MPLS TE is used, the bidirectional TE tunnel automatically provides symmetric routing.
- E. No euqal cost paths for the IGP can be inside the MPLS backbone, and the routing for IGP must use the same path in both directions. The BGP routing does not matter.
Answer: A,D
NEW QUESTION 91
Which two SAN designs are appropriate to support large-scale SAN environments? (Choose two)
- A. split fabric design
- B. Fibre Channel forwarder
- C. dual fabric design
- D. edge-core-edge design
- E. core-edge design
Answer: D,E
NEW QUESTION 92
Which two conditions must be met for EIGRP to maintain an alternate loop-free path to a remote network?
- A. The Reported Distance from a successor is lower than the local Feasible Distance
- B. Feasible Distance from a successor is lower than the local Reported Distance.
- C. The Reported Distance from a successor is higher than the local Feasible Distance
- D. A feasible successor must be present
- E. The feasibility condition does not need to be met
Answer: A,D
Explanation:
NEW QUESTION 93
What is a correct design consideration of IPv6 MLD snooping?
- A. MLD snooping conserves bandwidth on switches.
- B. MLD snooping requires IGMP snooping to be implemented.
- C. MLD snooping is usedto filter all MLD queries.
- D. MLD snooping conserves CPU bysharing IPv4 and IPv6 multicast topology.
Answer: A
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 94
What are two benefits of following a structured hierarchical and modular design? (Choose two.)
- A. Each component can be funded by different organizations based on its role.
- B. Each component can be designed independently for its role.
- C. Each component can provide redundancy for applications and services.
- D. Each component can support multiple roles based on the requirements.
- E. Each component can be managed independently based on its role.
Answer: B,E
NEW QUESTION 95
Refer to the exhibit. This DMVPN network is running OSPF in a single area. A network engineer notices that traffic destined to the data center from one of the spokes is using another spoke as the next hop. It is preferred that all traffic destined to the data center uses the least amount of hops.
Which solution resolves this issue with the minimum amount of changes on the network?
- A. Migrate from OSPF to static routes between the hub routers and the spoke routers and deploy IP SLA for route health checks
- B. Modify OSPF cost metrics on all backup links
- C. Create areas between each hub and their spoke routers, to ensure that the hub routers become DRs
- D. Migrate from OSPF to EIGRP between the hub routers and the spoke routers
Answer: B
Explanation:
Section: Evolving Technologies
NEW QUESTION 96 
Refer to the exhibit ACME Mining has four data centers in Santiago, Cape town, Mumbai, and Beijing, full-mesh connected via a 400 Mb/s EVP-LAN. They want to deploy a new mission-critical application with these requirements
* cluster heartbeat 2 Mb/s continuous (250 KB/s)
* cluster heartbeat one-way maximum latency 100 ms
These are the current ping tests results between the four data centers:
Which hosting data center pair can host the new application?
- A. Cape Town and Mumbai
- B. Santiago and Mumbai
- C. Santiago and Beijing
- D. Cape Town and Beijing
- E. Mumbai and Beijing
- F. Santiago and Cape Town
Answer: A
NEW QUESTION 97
A planned EBGP network will use OSPF to reach the EBGP peer addresses. Which of these conditions should be avoided in the design that could otherwise cause the peers to flap continuously?
- A. The routers are peered by using a default route sent by OSPF.
- B. The OSPF area used for peering is nonbackbone (not area 0).
- C. An ACL blocks TCP port 179 in one direction.
- D. IP addresses used to peer are also being sent via EBGP.
Answer: D
Explanation:
Explanation/Reference:
authentic answer.
NEW QUESTION 98
What are two reasons for a network designer to choose tunnel mode instead of transport mode on a DMVPN design?
- A. Tunnel mode is required in dual-tier designs, where the GRE tunnel endpoint and encryption endpoint functions are on separate routers
- B. Tunnel mode Is required in single-tier designs, where the GRE tunnel endpoint and encryption endpoint functions are on the same router
- C. Tunnel mode is required to hide the original. clear text source and destination IP addresses, which transport mode does not do
- D. Tunnel mode is required when using multipoint GRE so the tunnel source and destination IP addresses are hidden
- E. Tunnel mode is required whenever NAT or PAT is used in the network path between the encrypting routers
Answer: A,C
Explanation:
Explanation
https://lostintransit.se/2016/02/15/ccde-dmvpn-crypto-design-considerations/
NEW QUESTION 99
Which ISAKMP feature could be used within your design recommendation to reduce device CPU load in a small scale setup for known active ISAKMP security associations?
- A. Security Parameter Index (SPI)
- B. IKEv2
- C. Dead Peer Detection (DPD)
- D. main mode
Answer: C
NEW QUESTION 100
Which three LSA types can each trigger a partial SPF? (Choose three.)
- A. type 2 LSA (Network Link Advertisements)
- B. type 4 LSA (ASBR Summary Link Advertisements)
- C. type 1 LSA (Router Link Advertisements)
- D. type 3 LSA (ABR Summary Link Advertisements)
- E. type 5 LSA (Autonomous System External Link Advertisements)
Answer: B,D,E
NEW QUESTION 101
The network administrator of a branch office network has decided to deploy Unicast RPF at the access layer. He insists that the design must guarantee that all the packets arriving on the router interfaces are assigned to the same interface subnet.
Which mode of Unicast RPF would you recommend as the lead network designer?
- A. uRPF strict mode
- B. RPF feasible mode
- C. uRPF loose mode
- D. uRPF VRF mode
Answer: A
NEW QUESTION 102
You are designing a GET VPN solution consisting of 30 group members. Which measure helps product encrypted user traffic from replay attacks?
- A. RSA-encrypted nonce
- B. counter based anti-replay
- C. nonce payload
- D. digital certificates
- E. time-based anti-replay
Answer: E
Explanation:
Explanation
https://www.cisco.com/c/dam/en/us/products/collateral/security/group-encrypted-transport-vpn/GETVPN_DIG_
NEW QUESTION 103
What is the advantage of using a router instead of a switch when implementing Hierarchical VPLS (H-VPLS) CE devices?
- A. Layer 2 requires a full-mesh network
- B. It is easier to troubleshoot.
- C. MAC addresses on the entire broadcast domain are hidden from PEs, allowing for batter scalability
- D. Layer 3 equal-cost multipath can be used with redundant connections
Answer: C
Explanation:
Section: Layer 2 Control Plane
NEW QUESTION 104
All routers in this network are running EIGRP according to the exhibit.
Which step is the most important to make sure that this network core will converge quickly should a link failure occur?
- A. add another link between the two routers with no servers and set the metric on this new link equal to the other four links
- B. make certain the maximum number of paths on both of the routers is two
- C. make certain EIGRP is running across all links
- D. make certain EIGRP is not running across non-transit links
Answer: D
Explanation:
Section: (none)
Explanation/Reference:
NEW QUESTION 105 
Refer to the exhibit. A retail company has around 500 branches across the U.S. The company is connected to the DC and DR routers through a Frame Relay cloud. All the communication happens only between BR routers to DC or DR routers, and there is no BR router to BR rotter communication. The service provider has decided to discontinue the Frame Relay service and replace it with Metro Ethernet. The retail company currently uses OSPF NBMA mode as IGP, which is the only scenario that the IT team is familiar with. The retail company decides to optimize the data center computing resources with server virtualisation. They have many serve, segments that need Layer 2 connectivity between the DC router and me DR router tor VM failover. Which Metro Ethernet technology uses a minimum of resources from the service provider network?
- A. Provider backbone bridge
- B. VPLS
- C. EVPL
- D. QinQ
Answer: A
NEW QUESTION 106
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