200-310 Exam
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Q1. What is the acceptable amount of one-way network delay for voice and video applications?
A. 300 bytes
B. 1 sec C. 150 ms
D. 500 ms
Answer: C
Explanation:
Delay Components in VoIP Networks The ITU's G.I 14 recommendation specifics that the one-way delay between endpoints should not exceed 150 ms to be acceptable, commercial voice quality. In private networks, somewhat longer delays might be acceptable for economic reasons. The ITU G.114 recommendation specifics that 151-ms to 400-ms one-way delay might be acceptable provided that organizations are aware that the transmission time will affect the quality of user applications. One-way delays of above 400 ms are unacceptable for general network planning purposes.
Q2. Which two features are supported by single wireless controller deployments? (Choose two.)
A. automatic detection and configuration of LWAPPs
B. LWAPP support across multiple floors and buildings
C. automatic detection and configuration of RF parameters
D. Layer 2 and Layer 3 roaming
E. controller redundancy
F. mobility groups
Answer: A,B
Q3. In which phase of PPDIOO are the network requirements identified?
A. Design
B. Plan
C. Prepare
D. Implement
E. Operate
F. Optimize
Answer: B
Explanation:
Plan Phase
The Plan phase identifies the network requirements based on goals, facilities, and user needs. This phase characterizes sites and assesses the network, performs a gap analysis against best-practice architectures, and looks at the operational environment. A project plan is developed to manage the tasks, responsible parties, milestones, and resources to do the design and implementation. The project plan aligns with the scope, cost, and resource parameters established with the original business requirements. This project plan is followed (and updated) during all phases of the cycle.
Q4. To provide Layer 2 connectivity between the primary and remote data centers, given that the two data centers are using Layer 3 routed DCIs, which NX-OS technology can be used to facilitate this requirement?
A. VRF
B. OTV
C. MPLS
D. SPT
E. VPC
Answer: B
Q5. Which two statements best describe an OSPF deployment? (Choose two.)
A. ABR provides automatic classful network boundary summarization.
B. ABR requires manual configuration for classful network summarization.
C. External routes are propagated into the autonomous system from stub areas via ASBR.
D. External routes are propagated into the autonomous system from regular areas or NSSA via ASBR.
E. External routes are propagated into the autonomous system from regular areas or NSSA via ABR.
Answer: B,D
Q6. Which three sources does a network designer use to collect information for characterizing an existing network? (Choose three.)
A. staff input
B. visual inventory
C. network audit
D. traffic analysis
E. server statistics
Answer: A,C,D
Q7. Which WLC interface is dedicated for WLAN client data?
A. virtual interface B. dynamic interface
C. management interface
D. AP manager interface
E. service port interface
Answer: B
Explanation:
WLC Interface Types
A WLC has five interface types:
Management interface (static, configured at setup, mandatory) is used for in-band management, connectivity to AAA, and Layer 2 discovery and association.
Service-port interface (static, configured at setup, optional) is used for out-of-band management. It is an optional interface that is statically configured.
AP manager interface (static, configured at setup, mandatory except for 5508 WLC) is used for Layer 3 discovery and association. It has the source IP address of the AP that is statically configured.
Dynamic interface (dynamic) is analogous to VLANs and is designated for WLAN client data.
Virtual interface (static, configured at setup, mandatory) is used for leaver 3 security authentication, DHCP relay support, and mobility management.
Q8. DRAG DROP
Answer:
Q9. WAN backup over the Internet is often used to provide primary connection redundancy. Which is the most important consideration when passing corporate traffic over the public Internet?
A. security
B. static versus dynamic routing
C. bandwidth
D. QoS
E. latency
Answer: A
Explanation:
WAN Backup over the Internet Another alternative for WAN backup is to use the Internet as the connectivity transport between sites. However, keep in mind that this type of connection does not support bandwidth guarantees. The enterprise also needs to work closely with the ISP to set up the tunnels and advertise the company's networks internally so that remote offices have reachable IP destinations. Security is of great importance when you rely on the Internet for network connectivity, so a secure tunnel using IPsec needs to be deployed to protect the data during transport.
Q10. When designing an EIGRP network, which two things should you take into consideration? (Choose two.)
A. ASN and K values must match.
B. The neighbor command can be used to enable unicast communication.
C. The neighbor diameter cannot exceed a 15-hops limit.
D. NSSA areas can be used to redistribute external routes.
E. Neighbor relationship can be established with non-Cisco routers.
Answer: A,B