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2021 Mar 300-320 brain dumps
Q91. Click the Exhibit button.
Refer to the exhibit. Which Layer 2 feature detects a link failure between the switch and router B that decreases OSPF reconvergence to approximately 50 milliseconds?
A. BFD
B. UDLD
C. RSTP
D. PVST+
Answer: A
Q92. Refer to the exhibit.
Which functionality must be enabled on router A to connect two networks for translating private addresses into "legal" public addresses on a one-for-one basis?
A. PAT
B. NAT
C. VLAN
D. GARP
E. PPP
Answer: B
Q93. Which of the following is true regarding the effect of EIGRP queries on the network design?
A. EIGRP queries will be the most significant issue with respect to stability and convergence
B. EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a next hop AD that is greater than the FD of the current successor route
C. EIGRP queries will only increase the convergence time when there are no EIGRP stubs designed in the network
Answer: A
Q94. ACME corporation owns a single MDS.
Which two SAN tools can be used to optimize the use and cost of the switching hardware? (Choose two.)
A. zoning
B. IVR
C. VSAN
D. iSCSI
Answer: A,C
Q95. Which two of these correctly describe asymmetric routing and firewalls? (Choose two.)
A. only operational in routed mode
B. only operational in transparent mode
C. only eight interfaces can belong to an asymmetric routing group
D. operational in both failover and non-failover configurations
E. only operational when the firewall has been configured for failover
Answer: C,D
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Q96. Which three options are basic design principles of the Cisco Nexus 7000 Series for data center virtualization? (Choose three.)
A. easy management
B. infrastructure scalability
C. cost minimization
D. upgrade of technology
E. transport flexibility
F. operational continuity
Answer: B,E,F
Q97. Which three statements about firewall modes are correct? (Choose three.)
A. A firewall in routed mode has one IP address.
B. A firewall in transparent mode has one IP address.
C. In routed mode, the firewall is considered to be a Layer 2 device.
D. In routed mode, the firewall is considered to be a Layer 3 device.
E. In transparent mode, the firewall is considered to be a Layer 2 device.
F. In transparent mode, the firewall is considered to be a Layer 3 device.
Answer: B,D,E
Q98. A designer should have which three technologies in the network before configuring MPLS Layer 3 VPNs? (Choose three.)
A. MPLS
B. LDP
C. Cisco Express Forwarding
D. VSS
E. vPC
F. VRRP
Answer: A,B,C
Q99. Which two key components are related to one firewall per ISP design option for e-commerce? (Choose two.)
A. It is a common approach to single-homing.
B. This approach is commonly used in large sites.
C. Any failure on an edge router results in a loss of session.
D. It has one NAT to two ISP-assigned blocks.
E. It is difficult to set up and administer.
Answer: C,D
Q100. What Nexus technology avoids blocking links between the access layer and the aggregation layer in a data center network design?
A. FCoE
B. LACP
C. vPC
D. FEX
Answer: C