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2021 Nov 310-200 oracle:

Q121. Characterizing an existing network requires gathering as much information about the network as possible. Which of these choices describes the preferred order for the information-gathering process? 

A. site and network audits, traffic analysis, existing documentation and organizational input 

B. existing documentation and organizational input, site and network audits, traffic analysis 

C. traffic analysis, existing documentation and organizational input, site and network audits 

D. site and network audits, existing documentation and organizational input, traffic analysis 

Answer: B 

Explanation: 

This section describes the steps necessary to characterize the existing network infrastructure and all sites. This process requires three steps: 

Step 1. Gather existing documentation about the network, and query the organization to discover additional information. Organization input, a network audit, and traffic analysis provide the key information you need. (Note that existing documentation may be inaccurate.) 

Step 2. Perform a network audit that adds detail to the description of the network. If possible, use traffic-analysis information to augment organizational input when you are describing the applications and protocols used in the network. 

Step 3. Based on your network characterization, write a summary report that describes the health of the network. With this information, you can propose hardware and software upgrades to support the network requirements and the organizational requirements. 


Q122. Which two of these practices are considered to be best practices when designing the access layer for the enterprise campus? (Choose two.) 

A. Implement all of the services (QoS, security, STP, and so on) in the access layer, offloading the work from the distribution and core layers. 

B. Always use a Spanning Tree Protocol; preferred is Rapid PVST+. 

C. Use automatic VLAN pruning to prune unused VLANs from trunked interfaces to avoid broadcast propagation. 

D. Avoid wasted processing by disabling STP where loops are not possible. 

E. Use VTP transparent mode to decrease the potential for operational error. 

Answer: B,E 

Explanation: 

When designing the building access layer, you must consider the number of users or ports required to size up the LAN switch. Connectivity speed for each host should also be considered. Hosts might be connected using various technologies such as Fast Ethernet, Gigabit Ethernet, or port channels. The planned VLANs enter into the design. 

Performance in the access layer is also important. Redundancy and QoS features should be considered. 

The following are recommended best practices for the building access layer: 

. Limit VLANs to a single closet when possible to provide the most deterministic and highly available topology. 

. Use Rapid Per-VLAN Spanning Tree Plus (RPVST+) if STP is required. It provides the faster convergence than traditional 802.1d default timers. 

. Set trunks to ON and ON with no-negotiate. 

. Manually prune unused VLANs to avoid broadcast propagation (commonly done on the distribution switch). 

. Use VLAN Trunking Protocol (VTP) Transparent mode, because there is little need for a common VLAN database in hierarchical networks. 

. Disable trunking on host ports, because it is not necessary. Doing so provides more security and speeds up PortFast. 

. Consider implementing routing in the access layer to provide fast convergence and Layer 3 load balancing. 

. Use the switchport host commands on server and end-user ports to enable PortFast and disable channeling on these ports. 

. Use Cisco STP Toolkit, which provides 

. PortFast: Bypass listening-learning phase for access ports 

. Loop GuarD. Prevents alternate or root port from becoming designated in absence of bridge protocol data units (BPDU) 

. Root GuarD. Prevents external switches from becoming root 

. BPDU GuarD. Disables PortFast-enabled port if a BPDU is received Cisco Press CCDA 640-864 Official Certification Guide Fourth Edition, Chapter 3, Page 85 


Q123. Which Cisco device has the sole function at looking at threat detection and mitigation at the Enterprise edge? 

A. Cisco IOS router 

B. Cisco ASA 

C. Cisco Catalyst FWSM 

D. Cisco IPS 

Answer: D 


Q124. Which statement should the designer keep in mind when considering the advanced routing features? 

A. One-way route redistribution avoids the requirement for static or default routes. 

B. Redistribution, summarization, and filtering are most often applied between the campus core and enterprise edge. 

C. Filtering only occurs on the routing domain boundary using redistribution. 

D. Summarize routes at the core toward the distribution layer. 

E. The hierarchical flexibility of IPv6 addressing avoids the requirement for routing traffic reduction using aggregation. 

Answer: B 


Q125. A company is implementing an Identity Management solution with these characteristics: 

1) existing AAA Server 

2) Cisco Catalyst switches 

3) minimal added investments 

Which Cisco Trust and Identity Management solution would you recommend? 

A. NAC Appliance 

B. Cisco IBNS 

C. CSM 

D. Cisco Security MARS 

Answer: B 


Renewal exam cx-310-200:

Q126. You want to gather as much detail as possible during a network audit, to include data time stamping across a large number of interfaces, customized according to interface, with a minimal impact on the network devices themselves. Which tool would you use to meet these requirements? 

A. RMON 

B. SNMPv3 

C. NetFlow 

D. Cisco Discovery Protocol 

Answer: C 

Explanation: 

NetFlow provides extremely granular and accurate traffic measurements and a high-level collection of aggregated traffic. The output of netflow information is displayed via the show ip cache flow command on routers. The Table shows a description of the fields for NetFlow output. 

Table. Netflow Output escription 


Q127. What technology can secure data over an insecure medium and provide WAN redundancy in the event of a primary connection failure? 

A. virtual private network 

B. shadow PVC 

C. dial-up ISDN 

D. GRE Tunnel 

Answer: A 


Q128. Which design is the recommended geometric design for routed topologies? 

A. linear 

B. triangular 

C. rectangular 

D. circular 

Answer: B 


Q129. Which two of these are scalability benefits of designing a network that utilizes VPNs? (Choose two.) 

A. extends the network to remote users 

B. allows networks to be set up and restructured quickly 

C. reduces dial infrastructure expenditures 

D. reduces the number of physical connections 

E. simplifies the underlying structure of a customer WAN 

Answer: D,E 


Q130. Which two routing protocols operate over NBMA point-to-multipoint networks without the use of point-to-point sub interfaces? (Choose two.) 

A. RIPv1 

B. RIPv2 

C. IS-IS 

D. EIGRP 

E. OSPF 

Answer: D,E