[Free] 2018(May) Dumps4cert Braindumps Cisco 300-101 Dumps with VCE and PDF Download 201-210

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Implementing Cisco IP Routing

Question No: 201 – (Topic 7)

A network administrator is troubleshooting a DMVPN setup between the hub and the spoke. Which action should the administrator take before troubleshooting the IPsec configuration?

  1. Verify the GRE tunnels.

  2. Verify ISAKMP.

  3. Verify NHRP.

  4. Verify crypto maps.

Answer: A

Question No: 202 – (Topic 7)

Your company uses Voice over IP (VoIP). The system sends UDP datagrams containing the voice data between communicating hosts. When areas of the network become busy, some

of the datagrams arrive at their destination out of order. What happens when this occurs?

  1. UDP will send an ICMP Information request message to the source host.

  2. UDP will pass the information in the datagrams up to the next OSI layer in the order in which they arrive.

  3. UDP will drop the datagrams that arrive out of order.

  4. UDP will use the sequence numbers in the datagram headers to reassemble the data into the

Answer: B

Question No: 203 – (Topic 7)

Which mode of uRPF causes a router interface to accept a packet, if the network to which the packet’s source IP address belongs is found in the router’s FIB?

  1. Strict mode

  2. Loose mode

  3. Auto mode

  4. Desirable mode

Answer: B Explanation:

EXPLANATION/REFRENCE

A number of common types of DoS attacks take advantage of forged or rapidly changing source IP addresses, allowing attackers to thwart efforts by ISPs to locate or filter these attacks. Unicast RPF was originally created to help mitigate such attacks by providing an automated, scalable mechanism to implement the Internet Engineering Task Force (IETF) Best Common Practices 38/Request for Comments 2827 (BCP 38/RFC 2827) anti-spoofing filtering on the customer-to-ISP network edge. By taking advantage of the information stored in the Forwarding Information Base (FIB) that is created by the CEF switching process, Unicast RPF can determine whether IP packets are spoofed or malformed by matching the IP source address

and ingress interface against the FIB entry that reaches back to this source (a so-called reverse lookup). Packets that are received from one of the best reverse path routes back out of the same interface are forwarded as normal. If there is no reverse path route on the sam e interface from which the packet was received, it might mean that the source address was modified, and the packet is dropped (by default).

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_data_urpf/configuration/xe-3s/sec- data-urpf-xe-3s-book/sec-unicast-rpf-loose- mode.html?referring_site=REamp;pos=1amp;page=http://www.cisco.com/c/en/us/td/docs/ios/12_0 s/feature/guide/srpf_gsr.html#GUID-FFFA94D5- EEFB-4215-9EE1-DB37CD01C2CA

Question No: 204 CORRECT TEXT – (Topic 7)

A network engineer enables OSPF on a Frame Relay WAN connecton to various remote stes, but no OSPF adiacencies come up Which two actions are possible solutions for thisissue? (Choose Two)

A Change the network type to point-to-murpont under WAN interface

B. Enable virtual Inks

C Change the networktype to nonbroadcast mutpoint access

D Configure the neighbor command under OSPF process for each remote ste E Ensure that the OSPF process number matches among all remote stes

Answer: A, D

Question No: 205 – (Topic 7)

Which type of address does OSPFv3 use to form neighbor adjacencies and to send LSAs?

  1. unicast IPv6 addresses

  2. link-local addresses

  3. multicast address FF02::5

  4. unicast IPv4 addresses

Answer: C

Question No: 206 – (Topic 7)

Refer to the exhibit.

Dumps4Cert 2018 PDF and VCE

  1. Interface authentication must be configured.

  2. The routing processes must be configured with an area ID.

  3. IP unicast routing must be enabled.

  4. IPv4 addresses must be applied to the interfaces.

Answer: C

Question No: 207 – (Topic 7)

Which three protocols are supported with EVN?

  1. IS-IS

  2. EIGRP

  3. RIP

  4. OSPF

  5. BFD

  6. BGP

Answer: B,D,F

Question No: 208 – (Topic 7)

How does an IOS router process a packet that should be switched by Cisco Express Forwarding without an FIB entry?

  1. by forwarding the packet

  2. by dropping the packet

  3. by creating a new FIB entry for the packet

  4. by looking in the routing table for an alternate FIB entry

Answer: B

Question No: 209 – (Topic 7)

Which command instructs as a PPPoE client to obtain its IP address from the PPPoE server?

  1. IP address dynamic

  2. ip address negotiated.

  3. ip address auto negotiate.

  4. ip address DHCP

Answer: B

Question No: 210 – (Topic 7)

Which two commands would be used to troubleshoot high memory usage for a process? (Choose two.)

  1. router#show memory allocating-process table

  2. router#show memory summary

  3. router#show memory dead

  4. router#show memory events

  5. router#show memory processor statistics

Answer: A,B

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