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2021 Mar 300-320 free exam
Q61. A network engineer must provide 40mb connections from the data center to the corporate office and two remote offices. What WAN connectivity option will outsource the routing in cooperation with the service provider?
A. Ethernet Private Line
B. Ethernet Multipoint Service
C. MPLS VPN
D. VPLS
Answer: C
Q62. What is one reason to implement Control Plane Policing?
A. allow OSPF routing protocol to advertise routes
B. protect the network device route processor from getting overloaded by rate limiting the incoming control plane packets
C. allow network devices to generate and receive packets
D. protect the data plane packets
Answer: B
Q63. What are the two methods of ensuring that the RPF check passes? (Choose two.)
A. implementing static mroutes
B. implementing OSPF routing protocol
C. implementing MBGP
D. disabling the interface of the router back to the multicast source
E. disabling BGP routing protocol
Answer: A,C
Q64. Which routing protocol provides the fastest convergence and greatest flexibility within a campus environment?
A. OSPF
B. IS-IS
C. BGP
D. EIGRP
Answer: D
Q65. A network engineer must create a Layer 2 switch block design that has deterministic convergence and is loop-free at Layer 2. Which two switch block elements are needed to meet the requirements? (Choose two.)
A. Layer 3 link between distribution switches
B. HSRP with interface tracking on uplinks to core switches
C. RPVST with equal bridge priority on distribution switches
D. VLANs that do not span access switches
E. Layer 2 link between distribution switches
Answer: A,D
Updated 300-320 free question:
Q66. Which technology fulfills these requirements?
. Utilize a connection that must support a range of traffic, voice, video, and data.
. This traffic must also support transmission via a fixed blank 53-byte cell.
A. PPP
B. Frame Relay
C. ATM
D. MPLS
E. X.25
Answer: C
Q67. Which two WAN technologies support IEEE 802.1Q, site-to-site connectivity, and point-to-point connectivity between two offices? (Choose two.)
A. Ethernet over MPLS
B. VPLS
C. Layer 3 MPLS
D. DSL
E. cable
Answer: A,B
Q68. Which three of these Metro service types map to E-Line (versus E-LAN) services that are defined by the Metro Ethernet Forum (MEF)? (Choose three.)
A. Ethernet Private Line
B. Ethernet Wire Service
C. Ethernet Relay Service
D. Ethernet Multipoint Service
E. Ethernet Relay Multipoint Service
Answer: A,B,C
Q69. The network designer needs to consider the number of multicast applications and sources in the network to provide the most robust network possible. Which of the following is a consideration the designer must also address?
A. The IGPs should utilize authentication to avoid being the most vulnerable component
B. With SSM source or receiver attacks are not possible
C. With Shared Trees access control is always applied at the RP
D. Limit the rate of Register messages to the RP to prevent specific hosts from being attacked on a PIM-SM network
Answer: B
Q70. Refer to the exhibit.
The network engineer wants to ensure that receiver A does not receive traffic from the video conference.
For multicast traffic, where must the filtering be placed to fulfill that requirement?
A. R1
B. Video Conference
C. A
D. S1
E. R2
Answer: D