Realistic 300-320 Dumps Questions 2021

NEW QUESTION 1
A customer is discussing QoS requirements with a network consultant. The customer has specified that end-toend
path verification is a requirement. Which QoS architecture is most appropriate for the requested design?

• A. marking traffic at the access layer with DSCP to support the traffic flow
• B. marking traffic at the access layer with CoS to support the traffic flow
• C. RSTP mdoel with PHB to support the traffic flows
• D. IntServ model with RSVP to support the traffic flows

Answer: D

NEW QUESTION 2
An engineer has been requested to utilize a method in an ACI network that will ensure only permitted communications are transmitted between each End Point Group tier in a three tier application. Which element would be utilized to accomplish this within the fabric?

• A. Contract
• B. Subject
• C. Label
• D. Filter

Answer: A

NEW QUESTION 3
Which two of these are recommended practices with trunks? (Choose two.)

• A. use ISL encapsulation
• B. use 802.1q encapsulation
• C. set ISL to desirable and auto with encapsulation negotiate to support ISL protocol negotiation
• D. use VTP server mode to support dynamic propagation of VLAN information across the network
• E. set DTP to desirable and desirable with encapsulation negotiate to support DTP protocol negotiation.

Answer: BE

Explanation: "As a recommended practice, when configuring switch-to-switch interconnections to carry multiple VLANs,set Dynamic Trunking Protocol (DTP) to Desirable and Desirable with Encapsulation Negotiate to
support DTP negotiation."

NEW QUESTION 4
Which three statements about 802.1X are true? (Choose three)

• A. It is IEEE standard
• B. It can allow and deny port access based on device identity
• C. It works only with wired devices
• D. It can allow and deny port access based on user identity

Answer: ABD

NEW QUESTION 5
Which security feature can help prevent spoofed packets on the network?

• A. uRPF
• B. ACLs
• C. DAI
• D. DHCP spoofing

Answer: A

NEW QUESTION 6
Which option is the primary reason to implement security in a multicast network?

• A. maintain network operations
• B. allow multicast to continue to function
• C. optimize multicast utilization
• D. ensure data streams are sent to the intended receivers

Answer: A

NEW QUESTION 7
Which option is the Cisco recommendation for data oversubscription for access ports on the access-to distribution uplink?

• A. 4 to 1
• B. 20 to 1
• C. 16 to 1
• D. 10 to 1

Answer: B

NEW QUESTION 8
Cisco FabricPath brings the benefits of routing protocols to Layer 2 network Ethernet environments. What are two advantages of using Cisco FabricPath technology? (Choose two)

• A. Cisco FabricPath relies on OSPF to support Layer 2 forwarding between switches, which allows load balancing between redundant paths.
• B. Cisco FabricPath provides MAC address scalability with conversational learning.
• C. Loop mitigation is provided by the TTL field in the frame.
• D. Cisco FabricPath is IETF-standard and is not used with Cisco products.
• E. Cisco FabricPath technology is supported in all Cisco platforms and can replace legacy Ethernet in all campus networks.

Answer: BC

NEW QUESTION 9
An OSPF router should have a maximum of how many adjacent neighbours?

• A. 80
• B. 50
• C. 60
• D. 100

Answer: C

NEW QUESTION 10
to use multiple path from distribution to core

• A. install IGP
• B. ECMP
• C. RSTP+
• D. HSRP

Answer: B

NEW QUESTION 11
When you configure a multichassis setup with VSS, which link must be configured to extend the backplane between the two switches?

• A. VSL
• B. LCAP
• C. PaGP
• D. ISL

Answer: A

NEW QUESTION 12
Two company want to merge their OSPF networks , but they run different OSPF domains , Which is option must be created to accomplished this requirement?

• A. OSPF virtual link to bridge the backbone areas of the two company together
• B. Route Summarization
• C. Static OSPF
• D. Redistribute routes between domains

Answer: A

NEW QUESTION 13
Which option provides software modularity in Cisco NX-OS software in the data center design?

• A. The ip routing command enables all of the features in the Cisco NX-OS.
• B. All of the features are enabled by default in the Cisco NX-OS.
• C. Individual features must be manually enabled to start the process.
• D. The Cisco NX-OS has a management VRF that is enabled by default.

Answer: C

NEW QUESTION 14
What is the most important consideration when selecting a VPN termination device?

• A. CPU cycles per second
• B. VPN sessions per interface
• C. Packets per second
• D. Bits per second

Answer: C

NEW QUESTION 15
Drag the IS-IS fast convergence components on the left to the order in which they occur on the right.

Answer:

Explanation: First – Failure detection time
Second – Event propagation time
Third – SPF run time
Fourth – RIB FIB update time

NEW QUESTION 16
You are assigned the network of 192.168.1.0/24. You want to split the network into four subnets that are all the same size. Which three statements about the first subnet that you create are true? (Choose three.)

• A. The subnet mask is 255.255.255.192
• B. The last host IP address is 192.168.164
• C. The subnet mask is 255.255.255.224
• D. The subnet has up to 64 hosts
• E. The last host IP address is 192.168.1.62
• F. The subnet has up to 62 hosts

Answer: AEF

NEW QUESTION 17
Which unique EIGRP feature allows for faster Layer 3 convergence?

• A. fast EIGRP timers
• B. feasible successors
• C. hybrid routing protocol
• D. Cisco proprietary protocol

Answer: B