[Free] 2019(Nov) EnsurePass Cisco 400-101 Dumps with VCE and PDF 291-300

November 2, 2019

400-101 Dumps 2019-11

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Question No.291

Refer to the exhibit. Which two possible network conditions can you infer from this configuration? (Choose two.)

image

  1. The authentication parameters on R1 and R2 are mismatched.

  2. R1 is using the default NTP source configuration.

  3. R1 and R2 have established an NTP session.

  4. R2 is configured as the NTP master with a stratum of 7.

Correct Answer: AB

Explanation:

Answer A: The NTP associations are not synced, it is only listed as a candidate because it was configured. Routing is not the issue, so it must be mismatched authentication parameters.

Answer B: NTP sets the source IP address for all NTP packets based on the address of the interface through which the NTP packets are sent. You can configure NTP to use a specific source IP address.

Question No.292

Which statement is true about LLDP?

  1. LLDP provides VTP support.

  2. LLDP does not use a multicast address to communicate.

  3. LLDP can indicate only the duplex setting of a link, and not the speed capabilities.

  4. LLDP does not support native VLAN indication.

Correct Answer: D

Explanation:

Cisco Discovery Protocol Versus LLDP-MED TLV Comparison TLV Function

LLDP TLV

Cisco Discovery Protocol TLV

Native VLAN support-Indicates the native VLAN No

Native VLAN TLV

Reference: http://www.cisco.com/en/US/technologies/tk652/tk701/technologies_white_paper0900aecd804cd

4 6d.html

Question No.293

Refer to the exhibit. You must complete the configuration on R1 so that a maximum of three links can be used and fragmentation is supported. Which additional configuration accomplishes this task?

image

  1. interface Multilink19

    ip address 192.168.1.1 255.255.255.0

    ppp multilink

    ppp multilink group 19

    ppp multilink links minimum 1 ppp multilink links maximum 3 ppp multilink interleave

  2. interface Multilink19

    ip address 192.168.1.1 255.255.255.0

    ppp multilink

    ppp multilink group 19

    ppp multilink links maximum 3 ppp multilink fragment delay 20

  3. interface Multilink19

    ip address 192.168.1.1 255.255.255.0

    ppp multilink

    ppp multilink group 19

    ppp multilink links maximum 3 ppp multilink fragment delay 20 ppp multilink interleave

  4. interface Multilink19

    ip address 192.168.1.1 255.255.255.252

    ppp multilink

    ppp multilink group 19

    ppp multilink links maximum 3 ppp multilink interleave

    Correct Answer: A

    Explanation:

    The quot;ppp multilink interleavequot; command is needed to enable link fragmentation and Interleaving (LFI). The Cisco IOS Link Fragmentation and Interleaving (LFI) feature uses Multilink PPP (MLP). MLP provides a method of splitting, recombining, and sequencing datagrams across multiple logical data links. MLP allows packets to be fragmented and the fragments to be sent at the same time over multiple point-to-point links to the same remote address.

    ppp multilink links maximum

    To limit the maximum number of links that Multilink PPP (MLP) can dial for dynamic allocation, use the ppp multilink links maximum command in interface configuration mode.

    Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_2/qos/configuration/guide/fqos_c/qcflfi.html

    Question No.294

    Refer to the exhibit. What will be the IP MTU of tunnel 0?

    image

    A.

    1500

    B.

    1524

    C.

    1476

    D.

    1452

    E.

    1548

    Correct Answer: C

    Explanation:

    In the case of the GRE tunnel interface, the IP maximum transmission unit (MTU) is 24 bytes less than the IP MTU of the real outgoing interface. For an Ethernet outgoing interface that means the IP MTU on the tunnel interface would be 1500 minus 24, or 1476 bytes.

    Reference: http://www.cisco.com/c/en/us/support/docs/ip/generic-routing-encapsulation- gre/13725-56.html

    Question No.295

    Which technology facilitates neighbor IP address resolution in DMVPN?

    1. CEF

    2. mGRE

    3. a dynamic routing protocol

    4. NHRP

Correct Answer: D

Explanation:

NHRP Used with a DMVPN

NHRP is used to facilitate building a VPN and provides address resolution in DMVPN. In this

context, a VPN consists of a virtual Layer 3 network that is built on top of an actual Layer 3 network. The topology you use over the VPN is largely independent of the underlying network, and the protocols you run over it are completely independent of it. The VPN network (DMVPN) is based on GRE IP logical tunnels that can be protected by adding in IPsec to encrypt the GRE IP tunnels.

Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_4/ip_addr/configuration/guide/hadnhrp.html#wp1057 255

Question No.296

DRAG DROP

image

Correct Answer:

image

Question No.297

Refer to the exhibit. Which action must you take to enable full reachability from router C to router D?

image

  1. Build an OSPF virtual link.

  2. Build an OSPF sham link.

  3. Configure mutual redistribution between OSPF and EIGRP on routers A and B.

  4. Add a static route on router D.

Correct Answer: C

Explanation:

For full connectivity, we need to configure mutual redistribution to advertise the EIGRP routes into OSPF and to advertise the OSPF routes into the EIGRP network. This needs to be done at the two border routers that connect to both the EIGRP and OSPF domains.

Question No.298

DRAG DROP

image

Correct Answer:

image

Question No.299

Which two options are required parts of an EEM policy? (Choose two.)

  1. event register keyword

  2. body

  3. environment must defines

  4. namespace import

  5. entry status

  6. exit status

Correct Answer: AB

Explanation:

EEM policies require two parts: the event register keyword and the body. The remaining parts of the policy are optional: environment must defines, namespace import, entry status, and exit status (Figure 5).

Figure 5. EEM Policy Parts

image

Reference: http://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/ios-embedded-

event-manager- eem/config_guide_eem_configuration_for_cisco_integrated_services_router_platforms.html

Question No.300

Which regular expression will match prefixes that originated from AS200?

A. ^$

B. ^200_ C. _200$ D. ^200) E. _200_

Correct Answer: C

Explanation:

Example on how to deny all prefixes originated in Autonomous System 200 router bgp 100

neighbor 10.1.1.1 remote-as 65535 neighbor 10.1.1.1 route-map map1 in

!

route-map map1 permit 10 match as-path 1

!

ip as-path access-list 5 deny _200$ ip as-path access-list 5 permit .* Reference:

http://www.cisco.com/c/en/us/td/docs/ios/termserv/configuration/guide/12_4t/tsv_12_4t_book/tsv_ r eg_express.html

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