JN0-643 Exam Questions

Referring to the exhibit, traffic that uses destination port 22 and the code point alias of 101010 is entering the router on interface ge 0/0/1. In this scenario which two statemen...

You installed redundant power supplies of different capacities into your EX switch. In this scenario, which statement is true?

Refer to the exhibit, which two statements are true? (Choose two)

Which two statements about this scenario are correct? (choose two)

You are creating a class of service, policy for your enterprise network. You want to ensure that the traffic classes have consistent classification and DSCP markings. In this scena...

Your device receives the route 10.1.10/24 from all four of the destinations shown in the exhibit. In this scenario, which route would be active in the routing table?

Each user in the office has a desktop computer and an IP telephone that share the same physical port that connects to the access switch. To provide security in the office 802 lx au...

You are asked to configure OSPF for IPV4 and IPV6 route advertisement. Which two configuration accomplish the task? (Choose two)

What is the purpose of realms in OSPFv3?

What must you add to the configuration to allow a receiver connected to interface ge 0/0/6 to subscribe to group 232.0.0.1 from source 172.16.7.1?

Referring to the exhibit. What must you use to facilitate this communication?

Referring to the exhibit, traffic is being sent from user1 to server 1 .The traffic is being classified using IP presentence into the default forwarding class expedited forwarding...

What are two OSPF LSA types? (Choose two)

When using port authentication on a juniper switch, which two statements are true? (Choose two)

Referring to the exhibit, which two statements are true? (Choose two)

You are designing a new enterprise network using EX switches. You are asked to u management. In this scenario which two statements are correct? (Choose two)

Referring to the exhibit, what is the probability of the traffic being dropped if interface reaches 85% OF ITS bandwidth capacity?

You configured IPv6 statics routes on the juniper routes and you want to OSPF to propagate these routes throughout your network. Which set of commands will accomplish these tracks?

When configuring class of service. What would you use to allocate bandwidth to a forwarding class?

When servicing queues on an EX series switch, which two statements are true? (Choose two)

Which three statements are correct about source specific multicast (SSM) on the junos OS? (Choose three)

A customer wants to connect computer and IP telephone equipment to a switch using the same port. LLDP-MED has been turned onto discover VoIP equipment. Which two statements are tru...

Your SRX series devices cannot route to the 10.5.5.5 address shown in the exhibit What are two ways to solve this problem? (Choose two)

When traffic is classified on an EX Series switch, which statement is true?

You are attempting to configure an internal BGP peer on a Junos device. However the configuration failed to commit Referring to the exhibit, which two actions would solve this prob...

Referring to the exhibit, All hosts have individually authenticated using 802.IX. Which supplicant mode is used on the switch?

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 res...

Which AS path regular expression will match the AS path to AS 50 as shown in the exhibit?

Your company has EBGP peering sessions to multiple service providers. Your BGP route table contains a large number of routes with prefixes with 30 lengths. The service provider you...

The network is configured with IPv4 and IPv6 addressing. The network administrator does not want the overhead of managing OSPFv2 and 0SPFv3 for route advertisement, Which statement...

Which 802.1x supplicant mode allows multiple supplicants to be connected to a port one requires each device to authenticate separately?

Which statement is correct about the MSTP?

Your layer two network contains 500 unique VLAN IDS .you are asked to ensure that your VLANS Are load balanced between two root bridges ,but you are only allowed to have two spanni...

You need to enable authentication for your multiarea OSPF network. In this scenario which three statements are correct? (Choose three)

The network administrator wants the ports on an EX series switch to allow both tagged and untagged frames to be followed. Tagged FRAMES should be associated with their tagged VLAN....

Which two statements are correct about using LLDP on junos devices? (Choose two)

You have certainly implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the...

Which two statements is true regarding the next hop attribute? (Choose two)

Your enterprise network is providing layer 2 connectivity between remote-sites using Q-in- Q tunneling. A customer wants to ensure their connection through your network is also par...

You want to deploy MSTP with multiple regions. Each region should have a unique root bridge to accommodate a set of VLANs. Which three configuration elements must watch on switches...

Which policy statement will be applied to neighbor 172.16.4.2?

You are attempting to configure BGP peering to a new service provider. The BGP peering state is stuck in the active state. What are two reasons for this happening? (Choose two)

You manage your company enterprises network using EX series switches. Your company wants to use Q in Q tunneling to connect remote customer sites together. Which statement is corre...

Which two statements about VSTP on EX series switches are connect? (Choose two)

Referring to the exhibit, R2 is exporting the route for server1 as a Type 2 external route and R6 is exporting the route for server 1 as a type 1 external route in OSPF. Which path...

Which protocol is used for port level access control and authentication?

Referring to the exhibit, which two actions would solve this problem? (Choose two)

A packet enters the router and is subject to ingress's processing. In which order is the packet processed?

You are receiving the same prefix from multiple EGBP peers in different autonomous systems Which two configurations enable your system to load balance across all received instances...

Which statement is correct regarding the isolated ports?