Juniper JN0-643 Online Practice Questions and Exam Preparation

Juniper JN0-643 Online Questions & Answers

• Question 231:

  You are attempting to configure an internal BGP peer on a Junos device. However the configuration failed to commit. Which two actions would solve this problem? (Choose two)

  A. set the BGP group type to internal
  B. set the BGP group peer-as to 65501
  C. set the BGP group description to intern
  D. set the BGP group peer-as to 65502
  A. set the BGP group type to internal
  B. set the BGP group peer-as to 65501

• Question 232:

  A medium-sized enterprise has some devices that are 802.1X capable and some that are not. Any device that fails authentication must be provided limited access through a VLAN called NONAUTH. How do you provide this access?

  A. Configure NONAUTH VLAN as the guest VLAN.
  B. Configure NONAUTH VLAN as the server-reject VLAN.
  C. Configure NONAUTH VLAN as the guest VLAN and the server-reject VLAN.
  D. Configure a separate VLAN for each type of user: 802.1X and non-802.1X.
  C. Configure NONAUTH VLAN as the guest VLAN and the server-reject VLAN.

• Question 233:

  -- Exhibit -user@router# run show route receive-protocol bgp 192.168.4.101 detail

  inet.0: 18 destinations, 20 routes (18 active, 0 holddown, 0 hidden)

  *

  10.16.1.0/24 (1 entry, 1 announced) Accepted Nexthop: 192.168.4.101

  LocalpreF. 100 AS path: 123 111 I

  *

  10.16.2.0/24 (1 entry, 1 announced) Accepted Nexthop: 192.168.4.101 LocalpreF. 100 AS path: 123 222 312 I

  *

  10.16.3.0/24 (1 entry, 1 announced) Accepted Nexthop: 192.168.4.101 LocalpreF. 100 AS path: 123 231 222 I

  *

  10.16.4.0/24 (1 entry, 1 announced) Accepted Nexthop: 192.168.4.101 LocalpreF. 100 AS path: 123 333 111 I -- Exhibit -

  Click the Exhibit button.

  Referring to the exhibit, which AS path regular expression will match only the 10.16.1.0/24 and 10.16.2.0/24 routes?

  A. .* (222|111) .*
  B. .+ (222|111) .*
  C. .(222|111) .*
  D. . (.222|.111) .*
  C. .(222|111) .*

• Question 234:

  Which statement is true regarding OSPF multi-area adjacencies?

  A. A type 3 (stub) link is advertised for a multi-area adjacency.
  B. Configuring a multi-area adjacency allows the corresponding link to be considered an interarea link, so it will be less preferred over an intra-area link.
  C. One logical interface will be a primary link, and the other configured as a secondary link; the secondary link will be established as an unnumbered point-to-point interface.
  D. A DR and a BDR will be elected over the secondary interface, because it is not point-to-point.
  C. One logical interface will be a primary link, and the other configured as a secondary link; the secondary link will be established as an unnumbered point-to-point interface.

• Question 235:

  You enable the captive portal authentication method on your juniper switch. There is no guest-Vlan configured in this scenario, what will happen when the RADIUS server fails to respond?

  A. Access will be allow to only VLAN 4096
  B. All access will be allowed
  C. Access will be allowed to only VLAN 1
  D. Access will not be allowed to any VLAN
  D. Access will not be allowed to any VLAN

• Question 236:

  When enabling MVRP for dynamic VLAN registration, which three timers would be configured on an interface? (Choose three.)

  A. hello-interval
  B. join-timer
  C. leave-timer
  D. max-age
  E. leaveall-timer
  B. join-timer
  C. leave-timer
  E. leaveall-timer

• Question 237:

  -- Exhibit -{master:0} user@switch> show dot1x interface ge-0/0/15 detail ge-0/0/15.0 RolE. Authenticator Administrative statE. Auto Supplicant modE. Multiple Number of retries: 3 Quiet perioD. 60 seconds Transmit perioD. 30 seconds Mac Radius: Enabled Mac Radius Restrict: Enabled Reauthentication: Enabled Configured Reauthentication interval: 120 seconds Supplicant timeout: 30 seconds Server timeout: 30 seconds Maximum EAPOL requests: 2 Guest VLAN member: guest Number of connected supplicants: 0 -- Exhibit -

  Click the Exhibit button.

  802.1X authentication was recently configured on your ge-0/0/15 port. You issue the command shown in the exhibit.

  Which two statements are correct? (Choose two.)

  A. The reauthentication interval is using the default value.
  B. Every user that attempts to connect using this port must be authenticated.
  C. Only the first user that connects using this port will be authenticated.
  D. Users will only be able to authenticate using MAC RADIUS.
  B. Every user that attempts to connect using this port must be authenticated.
  D. Users will only be able to authenticate using MAC RADIUS.

• Question 238:

  You are asked to configure an interface policer. You must ensure when the bandwidth limit and burst size are exceeded, that the packet receives a CoS parameter which increases the probability that the packet will be dropped if the queues are congested.

  Which policer action will accomplish this requirement?

  A. dscp 0
  B. loss-priority high
  C. ip-precedence 0
  D. loss-priority low
  B. loss-priority high

• Question 239:

  -- Exhibit

  

  -- Exhibit -

  Click the Exhibit button.

  Referring to the exhibit, which two statements are true regarding the MSTP port role and port state of ge- 0/0/0 and ge-0/0/1 on SW1?

  A. Port ge-0/0/0 is a root port and ge-0/0/1 is an alternate port.
  B. Both ports are designated ports.
  C. Both ports are in a forwarding state.
  D. Port ge-0/0/0 is a root port and ge-0/0/1 is in a forwarding state.
  B. Both ports are designated ports.
  C. Both ports are in a forwarding state.

• Question 240:

  -- Exhibit

  

  -- Exhibit -Click the Exhibit button.

  On AS1, which two attributes are used to influence inbound traffic from the other ASs shown in the exhibit? (Choose two.)

  A. AS path
  B. MED
  C. local preference
  D. origin
  A. AS path
  D. origin