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Penetration testers simulate 300-420 exam PDF
NEW QUESTION 25
Drag and drop the characteristics from the left onto the telemetry mode they apply to on the right.
Answer:
Explanation:
NEW QUESTION 26
An engineer must design a scalable QoS architecture that allows the separation of the traffic into classes on predefined business requirements. The design must also utilize the differentiated services code points as the QoS priority descriptor value and support at least 10 levels of classification. Which QoS technology should the engineer include in the design?
- A. DiffSery
- B. InterServ
- C. RSVP
- D. Best Effort
Answer: A
Explanation:
Section: Network Services
NEW QUESTION 27
How is internet access provided to a WAN edge router that is connected to a MPLS transport link?
- A. OMP advertises a default route from a WAN Edge router that is connected to the MPLS and internet transport networks
- B. TLOC extensions are used to route traffic to a WAN Edge router that is connected to the Internet transport network
- C. Internet access must be provided at the WAN Edge router through either a 4G/5G link or local Internet circuit
- D. An extranet must be provided in the MPLS transport network to allow private traffic to reach the public internet
Answer: B
NEW QUESTION 28
Refer to the exhibit.
An engineer is designing a BGP solution for a client that peers with ISP1 for full Internet connectivity and with ISP2 for direct exchange of routes for several third parties. Which action, when implemented on the edge routers, enables the client network to reach the Internet through ISP1?
- A. Apply the AS-path prepend feature for ISP2.
- B. Advertise a default route for downstream routers within the client network.
- C. Run an eBGP session within different VRFs for each ISP.
- D. Apply route filtering such that the client advertises only routes originated from its own AS.
Answer: B
NEW QUESTION 29
Drag and drop the characteristics from the left onto the telemetry mode they apply to on the right.
Answer:
Explanation:
NEW QUESTION 30
An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point. Which multicast protocol meets these requirements?
- A. PIM-SM
- B. BIDIR-PIM
- C. any-source multicast
- D. PIM-SSM
Answer: B
NEW QUESTION 31
Refer to the exhibit.
EIGRP has been configured on all links. The spoke nodes have been configured as EIGRP stubs, and the WAN links to R3 have higher bandwidth and lower delay than the links to R4. When a link failure occurs at the R1-R2 link, what happens to traffic on R1 that is destined for a subnet attached to R2?
- A. R1 forwards the traffic to R3 in order to reach R2
- B. R1 has no route to R2 and drops the traffic
- C. R1 forwards the traffic to R3, but R3 drops the traffic
- D. R1 load-balances across the paths through R3 and R4 to reach R2
Answer: A
NEW QUESTION 32
What is the role of a control-plane node in a Cisco SD-Access architecture?
- A. map system that manages External Layer 3 networks
- B. map system that manages endpoint to device relationships
- C. fabric device that connects wired endpoints to the SD-Access fabric
- D. fabric device that connects APs and wireless endpoints to the SD-Access fabric
Answer: B
NEW QUESTION 33
A customer's environment includes hosts that support IPv6-only. Several of these hosts must communicate with a public web server that has only IPv4 domain name resolution. Which solution should the customer use in this environment?
- A. implement 6PE to resolve hostname resolution
- B. Implement NAT44 at the edge of the customer network
- C. utilize NAT64 to translate the addresses
- D. use 6to4 and a tunnel to translate the addresses
Answer: C
NEW QUESTION 34
An engineer must propose a QoS architecture model that allows an application to inform the network of its traffic profile and to request a particular type of service to support its bandwidth and delay requirements. The application requires consistent and dedicated bandwidth end to end. Which QoS architecture model meets these requirements?
- A. DiffServ
- B. LLQ
- C. WRED
- D. IntServ
Answer: D
Explanation:
Section: Network Services
NEW QUESTION 35
An engineer must design a VPN solution for a company that has multiple branches connecting to a main office.
What are two advantages of using DMVPN instead of IPsec tunnels to accomplish this task? (Choosetwo.)
- A. support for AES 256-bit encryption
- B. support for anycast gateway
- C. lower traffic overhead
- D. greater scalability
- E. dynamic spoke-to-spoke tunnels
Answer: D,E
NEW QUESTION 36
Which feature must be incorporated into the campus LAN design to enable Wake on LAN?
- A. directed broadcasts on layer 3 devices
- B. dynamic ARP Inspection Snooping on layer 2 devices
- C. DHCP Snooping on layer 2 devices
- D. proxy ARP on layer 3 devices
Answer: A
Explanation:
Section: Advanced Enterprise Campus Networks
NEW QUESTION 37
Refer to the exhibit. Area 10 is a regular OSPF area and networks 10.1.1.0/24 and 172.16.1.0/24 are internal. Which design provides optimal routing between both networks when the link between routers C and E fails?
- A. Create a tunnel between routers E and F in area 10.
- B. Make area 10 a not-so-stubby area.
- C. Move the link between routers C and D to area 10.
- D. Create an OSPF virtual link between routers E and F.
Answer: C
NEW QUESTION 38
Drag and drop the description from the left onto the corresponding WAN connectivity types and categories on the right.
Answer:
Explanation:
NEW QUESTION 39
Drag and drop the characteristics from the left onto the Yang model they describe on the right.
Answer:
Explanation:
NEW QUESTION 40
An architect is designing a multicast solution for a network that contains over 100 routers. The architect plans to create several multicast domains and balance the PIM-SM traffic within the network. Which technology should the architect include in the design?
- A. DVMRP
- B. IGMP
- C. MSDP
- D. MOSPF
Answer: C
NEW QUESTION 41
Which function are fabric intermediate nodes responsible for in an SD-Access Architecture?
- A. registering new endpoints in the HTDB
- B. mapping EIDs to RLOCs
- C. transporting IP packets between edge nodes and border nodes
- D. encapsulating user traffic in a VXLAN header including the SGT
Answer: C
Explanation:
Section: Advanced Enterprise Campus Networks
NEW QUESTION 42
An engineer is working with NETCONF and Cisco NX-OS based devices. The engineer needs a YANG model that supports a specific feature relevant only to Cisco NX-OS. Which model must the engineer choose?
- A. Native
- B. IEEE
- C. IETF
- D. OpenConfig
Answer: C
NEW QUESTION 43
Which OSPF area blocks LSA Type 3, 4 and 5, but allows a default summary route?
- A. NSSA
- B. stub
- C. totally stubby
- D. normal
Answer: C
Explanation:
Section: Advanced Addressing and Routing Solutions
NEW QUESTION 44
Which nonproprietary mechanism can be used to automate rendezvous point distribution in a large PIM domain?
- A. Auto-RP
- B. Static RP
- C. Embedded RP
- D. BSR
Answer: D
NEW QUESTION 45
When a network is designed using IS-IS protocol, which two circuit types are supported? (Choose two.)
- A. multiaccess
- B. nonbroadcast
- C. point-to-multipoint
- D. point-to-point
- E. nonbroadcast multiaccess
Answer: A,D
NEW QUESTION 46
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