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NEW QUESTION 38
You are asked to establish full connectivity between all devices in the BGP network. Referring to the exhibit, which two configuration changes will allow BGP route advertisements? (Choose two.)
- A. On R2, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.
- B. On R2, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.
- C. On R1 and R3, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.
- D. On R1 and R3, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.
Answer: A,C
NEW QUESTION 39
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The DS-1 switch will be root bridge for MSTI 2.
- B. The DS-2 switch will be root bridge for MSTI 1.
- C. The DS-2 switch will be root bridge for MSTI 2.
- D. The DS-1 switch will be root bridge for MSTI 1.
Answer: B,C
NEW QUESTION 40
You must ensure that all routes in the 10.0.0/8 address range are not advertised outside of your AS.
Which well-known BGP community should be assigned to these addresses to accomplish this task?
- A. internet
- B. no-advertise
- C. no-export
- D. no-peer
Answer: C
Explanation:
For specifying the BGP community attribute only, you also can specify community-ids as one of the following well-known community names defined in RFC 1997:
no-advertise-Routes containing this community name are not advertised to other BGP peers.
no-export-Routes containing this community name are not advertised outside a BGP confederation boundary.
no-export-subconfed-Routes containing this community are advertised to IBGP peers with the same AS number, but not to members of other confederations.
llgr-stale-Adds a community to a long-lived stale route when it is readvertised.
no-llgr-Marks routes which a BGP speaker does not want to be retained by LLGR. The Notification message feature does not have any associated configuration parameters.
https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/ref/statement/community-edit-routing-options.html
NEW QUESTION 41
You have scheduled maintenance operations for one of the devices in your OSPF network.
Referring to the exhibit, which three statements are correct? (Choose three.)
- A. Any traffic destined for networks that terminate on R1 will still be forwarded to R1.
- B. R1 does not send or receive transit traffic during the maintenance window even if no alternative paths exist to the given destination.
- C. R1 participates in OSPF routing but does not send or receive transit traffic.
- D. The metrics for all transit interfaces on R1 is set to the maximum value of 65,535.
- E. R1 does not participate in OSPF routing.
Answer: A,C,D
NEW QUESTION 42
Which two authentication methods are available for OSPF on Juniper devices? (Choose two.)
- A. Certificate
- B. RSA
- C. MD5 authentication
- D. none
Answer: C,D
NEW QUESTION 43
You are asked to deploy 802.1X on your EX Series switches. You need to ensure authenticated devices continue to have access to the network even if the authentication server fails.
Which action meets this configuration objective?
- A. Configure the server fail fallback with a value of sustain.
- B. Set the reauthentication interval to a value of 0.
- C. Set the reauthentication interval to a value of disable.
- D. Configure the static MAC bypass for the authentication server.
Answer: A
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/user-access/topics/concept/802-1x- pnac-divert-authentication-understanding-mx-series.html
NEW QUESTION 44
Click the Exhibit button.
Referring to the exhibit, you must advertise the 100.0.0.0/16 routes from AS1 to AS2, but R2 is not advertising any BGP routes to R5.
Why is this happening in this scenario?
- A. The IBGP routes are not active because the next hop is not reachable.
- B. The IBGP routes will not be advertised because the AS path shows as incomplete.
- C. The IBGP routes will not be advertised because you must use a policy to advertise IBGP routes.
- D. The IBGP routes are not active and EBGP will advertise only active routes.
Answer: D
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/policy-routing-policies- actions-defaults.html Default BGP Export Policy:
Readvertise all active BGP routes to all BGP speakers, while following protocol-specific rules that prohibit one IBGP speaker from readvertising routes learned from another IBGP speaker, unless it is functioning as a route reflector.
ed@vMX-PE1# show protocols bgp group eBGP | display set set protocols bgp group eBGP type external set protocols bgp group eBGP family inet unicast rib-group inet0-to-test set protocols bgp group eBGP peer-as 3 set protocols bgp group eBGP neighbor 10.0.13.3
[edit]
ed@vMX-PE1#
NEW QUESTION 45
You want to provide Layer 2 connectivity between campus sites using Ethernet switches through a metro Ethernet service provider who is using Q-in-Q tagging on their network.
Referring to the exhibit, what are two design considerations in this environment? (Choose two.)
- A. VXLAN could be implemented on your network across this service provider network.
- B. L2PT is required on the SP network to support the spanning tree protocol.
- C. Each campus switch shown must have S-Tag 300 configured.
- D. Each campus switch shown must have a C-Tag 300 configured.
Answer: B,C
NEW QUESTION 46
You are configuring MVRP for automatic VLAN registration. Which two statements are true?
(Choose two.)
- A. MVRP must be configured on all access ports
- B. the trunk port must not be configured with vlan members
- C. MVRP must be configured on all trunk ports
- D. the trunk port must be configured with "vlan all"
Answer: B,C
NEW QUESTION 47
You ate configuring BGP policies for a site with a dual-homed connection as shown in the exhibit.
You must ensure that inbound traffic from Internet hosts flow through the ISP A connection.
Which statement is correct in this scenario?
- A. Apply a BGP export policy on R1 to assign a lower MED value to routes advertised to ISP A.
- B. Apply a BGP export policy on R1 to assign a higher local preference value to routes advertised to ISP A.
- C. Apply a BGP export policy onR2to assign a lower origin value to routes advertised to ISP B.
- D. Apply a BGP export policy to R2 to prepend [65001 65001 65001 65001 65001] to the AS path of routes advertised to ISP B.
Answer: D
NEW QUESTION 48
Which three MSTP parameters must match on all switches in the same MST region? (Choose three.)
- A. revision number
- B. forwarding delay
- C. bridge priority
- D. configuration name
- E. MSTI-to-VLAN mapping
Answer: A,D,E
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/stp-l2/topics/topic-map/spanning-tree-configuring-mstp.html
NEW QUESTION 49
Which BGP message type contains NLRI information?
- A. keepalive
- B. notification
- C. update
- D. open
Answer: C
NEW QUESTION 50
Referring to the exhibit, traffic ingresses on interface ge-0/0/3 and egresses on interface ge-0/0/4.
Which queue does traffic with the IP precedence value of 100 use?
- A. network-control
- B. expedited-forwarding
- C. best-effort
- D. assured-forwarding
Answer: B
NEW QUESTION 51
What information must you gather from the satellite device to provision a Junos Fusion Enterprise deployment on the aggregation device? (Choose two.)
- A. Software version
- B. Model number
- C. Serial number
- D. MAC address
Answer: C,D
NEW QUESTION 52
Click the Exhibit.
Switch 4 is rebooted as shown in the exhibit.
Which statement is correct in this scenario?
- A. MSTI-2 is reconverged.
- B. CIST generates notification events.
- C. MSTI-1 is reconverged.
- D. CIST is reconverged.
Answer: C
NEW QUESTION 53
What is the correct authentication processing order on EX Series switches when multiple Layer 2 authentication methods are enabled?
- A. MAC RADIUS -> 1x -> captive portal
- B. captive portal-> MAC RADIUS -> 802.1x
- C. 802.1x-> captive portal -> MAC RADIUS
- D. 802.1x -> MAC RADIUS -> captive portal
Answer: D
NEW QUESTION 54
Referring to the exhibit, which LSA type is used to advertise 192.168.1.0/24 to R5?
- A. Type 3
- B. Type 5
- C. Type 4
- D. Type 7
Answer: B
Explanation:
Area-1 has no external connections. However, Area-1 has static route (172.16.31.0/24) that are not internal OSPF route. You can limit the external route advertisements to the area and advertise the static routes by designating the area an NSSA. In an NSSA, the ASBR (vMX1) generates NSSA external (Type 7) LSAs and floods them into the NSSA, where they are contained.
Type-7 LSAs allow an NSSA to support the presence of ASBR and their corresponding external routing information. The ABR (vMX2) converts Type-7 LSAs into Type-5 External LSAs and leaks them to the other areas, but external routes from other areas are not advertised within the NSSA.
An admin should check this and change it
https://www.packetswitch.co.uk/configuring-junos-ospf-stub-and-nssa-areas/
https://www.juniper.net/documentation/us/en/software/junos/ospf/topics/ref/statement/nssa-edit-protocols-ospf.html
NEW QUESTION 55
You are authenticating user devices connected to your ex Series switch. You have 802.1X and MAC RADIUS configured for all ports. A user is complaining about the time it takes to connect their non- 802.1X device on ge-0/0/15 using MAC RADIUS authentication.
Referring to the exhibit, what should be done to accelerate the authentication process?
- A. Change the supplicant mode to multiple on ge-0/0/15
- B. Configure the restrict feature for MAC RADIUS on ge-0/0/15.
- C. Configure the no-reauthentication feature for 802.1X on ge-0/0/15
- D. Change the 802.1X retry attempts value to 5 on ge-0/0/15
Answer: A
NEW QUESTION 56
You are currently using VLAN IDs 2 through 300 within your Layer 2 domain and you need to configure VSTP to prevent loops You must ensure that all VL ANs are loop free.
In this scenario, which statement is correct?
- A. You must ensure that the bridge priority is set to the lowest value on all switches in the Layer 2 domain.
- B. You must enable RSTP to account for all VLANs.
- C. You must enable all VLANs, 2 through 300, under the VSTP configuration
- D. You must ensure that the VLANs are balanced between two different root bridges.
Answer: C
NEW QUESTION 57
You are troubleshooting an OSPF adjacency issue between R1 and R2.
What is the reason for the ExStart state shown in the exhibit?
- A. R2 was elected as the designated router.
- B. The MTU is not the default on R1 and R2.
- C. R1 was elected as the backup designated router.
- D. R1 and R2 are using the same IP address.
Answer: D
NEW QUESTION 58
When configuring class of services, what would be you use to allocate bandwidth to a forwarding class?
- A. bandwidth
- B. speed
- C. buffer depth
- D. transmit rate
Answer: D
NEW QUESTION 59
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