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2021 Dec ccnp route pdf 300-101:

Q41. CORRECT TEXT 

You are a network engineer with ROUTE.com, a small IT company. ROUTE.com has two connections to the Internet; one via a frame relay link and one via an EoMPLS link. IT policy requires that all outbound HTTP traffic use the frame relay link when it is available. All other traffic may use either link. No static or default routing is allowed. 

Choose and configure the appropriate path selection feature to accomplish this task. You may use the Test Workstation to generate HTTP traffic to validate your solution. 

Answer: We need to configure policy based routing to send specific traffic along a path that is different from the best path in the routing table. Here are the step by Step Solution for this: 

1) First create the access list that catches the HTTP traffic: R1(config)#access-list 101 permit tcp any any eq www 

2) Configure the route map that sets the next hop address to be ISP1 and permits the rest of the traffic: R1(config)#route-map pbr permit 10 

R1(config-route-map)#match ip address 101 

R1(config-route-map)#set ip next-hop 10.1.100.2 

R1(config-route-map)#exit 

R1(config)#route-map pbr permit 20 

3) Apply the route-map on the interface to the server in the EIGRP Network: 

R1(config-route-map)#exit 

R1(config)#int fa0/1 

R1(config-if)#ip policy route-map pbr 

R1(config-if)#exit 

R1(config)#exit 

Explanation: 

First you need to configure access list to HTTP traffic and then configure that access list. After that configure the route map and then apply it on the interface to the server in EIGRP network. 


Q42. Which two actions must you perform to enable and use window scaling on a router? (Choose two.) 

A. Execute the command ip tcp window-size 65536. 

B. Set window scaling to be used on the remote host. 

C. Execute the command ip tcp queuemax. 

D. Set TCP options to "enabled" on the remote host. 

E. Execute the command ip tcp adjust-mss. 

Answer: A,B 

Explanation: 

The TCP Window Scaling feature adds support for the Window Scaling option in RFC 1323,

TCP Extensions for High Performance . A larger window size is recommended to improve TCP performance in network paths with large bandwidth-delay product characteristics that are called Long Fat

Networks (LFNs). 

The TCP Window Scaling enhancement provides that support. The window scaling extension in Cisco IOS software expands the definition of the TCP window to 32 bits and then uses a scale factor to carry this 32-bit value in the 16-bit window field of the TCP header. 

The window size can increase to a scale factor of 14. Typical applications use a scale factor of 3 when deployed in LFNs. 

The TCP Window Scaling feature complies with RFC 1323. The larger scalable window size will allow TCP to perform better over LFNs. 

Use the ip tcp window-size command in global configuration mode to configure the TCP window size. In order for this to work, the remote host must also support this feature and its window size must be increased. 

Reference: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp/

configuration/12-4t/iap-12- 4t-book/iap-tcp.html#GUID-BD998AC6-F128-47DD-B5F7-B226546D4B08


Q43. A corporate policy requires PPPoE to be enabled and to maintain a connection with the ISP, even if no interesting traffic exists. Which feature can be used to accomplish this task? 

A. TCP Adjust 

B. Dialer Persistent 

C. PPPoE Groups 

D. half-bridging 

E. Peer Neighbor Route 

Answer:

Explanation: 

A new interface configuration command, dialer persistent, allows a dial-on-demand routing (DDR) dialer

profile connection to be brought up without being triggered by interesting traffic. When configured, the dialer persistent command starts a timer when the dialer interface starts up and starts the connection when the timer expires. If interesting traffic arrives before the timer expires, the connection is still brought up and set as persistent. The command provides a default timer interval, or you can set a custom timer interval. To configure a dialer interface as persistent, use the following commands beginning in global configuration mode:

Command Purpose

Step 1 Router(config)# interface dialer Creates a dialer interface and number enters interface

Configuration mode.

Step 2 Router(config-if)# ip address Specifies the IP address and mask address mask of the dialer

interface as a node in the destination network to be called.

Step 3 Router(config-if)# encapsulation Specifies the encapsulation type.

type

Step 4 Router(config-if)# dialer string Specifies the remote destination to dial-string class class-name call

and the map class that defines characteristics for calls to this destination.

Step 5 Router(config-if)# dialer pool Specifies the dialing pool to use number for calls to this destination.

Step 6 Router(config-if)# dialer-group Assigns the dialer interface to a group-number dialer group.

Step 7 Router(config-if)# dialer-list Specifies an access list by list dialer-group protocol protocol- number or

by protocol and list name {permit | deny | list number to define the interesting access-list-number} packets that can trigger a call. Step 8 Router(config-if)# dialer

(Optional) Specifies the remote-name user-name

authentication name of the remote router on the destination subnetwork for a dialer interface.

Step 9 Router(config-if)# dialer Forces a dialer interface to be persistent [delay [initial] connected at all

times, even in seconds | max-attempts the absence of interesting traffic.

number]

Reference:

http://www.cisco.com/c/en/us/td/docs/ios/dial/configuration/guide/12_4t/dia_12_4t_book/dia_dia

ler_persist.html


Q44. Refer to the following command: router(config)# ip http secure-port 4433 

Which statement is true? 

A. The router will listen on port 4433 for HTTPS traffic. 

B. The router will listen on port 4433 for HTTP traffic. 

C. The router will never accept any HTTP and HTTPS traffic. 

D. The router will listen to HTTP and HTTP traffic on port 4433. 

Answer:

Explanation: 

To set the secure HTTP (HTTPS) server port number for listening, use the ip http secure-port

command in global configuration mode. To return the HTTPS server port number to the default, use the no

form of this command. ip http secure-port port-number no ip http secure-port Syntax Description port-

Integer in the range of 0 to 65535 is accepted, but the port number must be number higher than 1024

unless the default is used. The default is 443. Reference: http://www.cisco.com/en/US/docs/ios-xml/ios/

https/command/nm-https-cr-cl- sh.html#wp3612805529


Q45. 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? 

A. Verify the GRE tunnels. 

B. Verify ISAKMP. 

C. Verify NHRP. 

D. Verify crypto maps. 

Answer:

Explanation: 


Far out 300-101 exam price:

Q46. Scenario: 

You have been asked to evaluate an OSPF network setup in a test lab and to answer questions a customer has about its operation. The customer has disabled your access to the show running-config command. 

Which of the following statements is true about the serial links that terminate in R3 

A. The R1-R3 link needs the neighbor command for the adjacency to stay up 

B. The R2-R3 link OSPF timer values are 30, 120, 120 

C. The R1-R3 link OSPF timer values should be 10,40,40 

D. R3 is responsible for flooding LSUs to all the routers on the network. 

Answer:

Explanation: 


Q47. What is the purpose of the autonomous-system {autonomous-system-number} command? 

A. It sets the EIGRP autonomous system number in a VRF. 

B. It sets the BGP autonomous system number in a VRF. 

C. It sets the global EIGRP autonomous system number. 

D. It sets the global BGP autonomous system number. 

Answer:

Explanation: 

To configure the autonomous-system number for an Enhanced Interior Gateway Routing

Protocol (EIGRP) routing process to run within a VPN routing and forwarding (VRF) instance, use the

autonomous-system command in address-family configuration mode. To remove the autonomous-system

for an EIGRP routing process from within a VPN VRF instance, use the no form of this command.

autonomous-system autonomous-system-number no autonomous-system autonomous-system-number

Reference: http://www.cisco.com/c/en/us/td/docs/ios/iproute_eigrp/command/reference/ire_book/

ire_a1.htm l#wp1062796


Q48. A packet capture log indicates that several router solicitation messages were sent from a local host on the IPv6 segment. What is the expected acknowledgment and its usage? 

A. Router acknowledgment messages will be forwarded upstream, where the DHCP server will allocate addresses to the local host. 

B. Routers on the IPv6 segment will respond with an advertisement that provides an external path from the local subnet, as well as certain data, such as prefix discovery. 

C. Duplicate Address Detection will determine if any other local host is using the same IPv6 address for communication with the IPv6 routers on the segment. 

D. All local host traffic will be redirected to the router with the lowest ICMPv6 signature, which is statically defined by the network administrator. 

Answer:

Explanation: 

Router Advertisements (RA) are sent in response to router solicitation messages. Router

solicitation messages, which have a value of 133 in the Type field of the ICMP packet header, are sent by

hosts at system startup so that the host can immediately autoconfigure without needing to wait for the next

scheduled RA message. Given that router solicitation messages are usually sent by hosts at system

startup (the host does not have a configured unicast address), the source address in router solicitation

messages is usually the unspecified IPv6 address (0:0:0:0:0:0:0:0). If the host has a configured unicast

address, the unicast address of the interface sending the router solicitation message is used as the source

address in the message. The destination address in router solicitation messages is the all-routers multicast

address with a scope of the link. When an RA is sent in response to a router solicitation, the destination

address in the RA message is the unicast address of the source of the router solicitation message. RA

messages typically include the following information:

One or more onlink IPv6 prefixes that nodes on the local link can use to automatically configure their IPv6

addresses

Lifetime information for each prefix included in the advertisement

Sets of flags that indicate the type of autoconfiguration (stateless or stateful) that can be completed

Default router information (whether the router sending the advertisement should be used as a default

router and, if so, the amount of time (in seconds) the router should be used as a default router)

Additional information for hosts, such as the hop limit and MTU a host should use in packets that it

originates Reference: http://www.cisco.com/c/en/us/td/docs/ios/ipv6/configuration/guide/12_4t/

ipv6_12_4t_book/ip6- addrg_bsc_con.html


Q49. Which PPP authentication method sends authentication information in cleartext? 

A. MS CHAP 

B. CDPCP 

C. CHAP 

D. PAP 

Answer:

Explanation: 


Q50. Two aspects of an IP SLA operation can be tracked: state and reachability. Which statement about state tracking is true? 

A. When tracking state, an OK return code means that the track's state is up; any other return code means that the track's state is down. 

B. When tracking state, an OK or over threshold return code means that the track's state is up; any other return code means that the track's state is down. 

C. When tracking state, an OK return code means that the track's state is down; any other return code means that the track's state is up. 

D. When tracking state, an OK or over threshold return code means that the track's state is down; any other return code means that the track's state is up. 

Answer:

Explanation: