JN0-349 시험 - Juniper실제시험문제와 답 - 92문항

Question No : 1

Which two situations would cause dynamic ARP inspection to drop traffic? (Choose two.)

A.if no IP-to-MAC address entry exists in the DHCP snooping database
B.if the IP address in the ARP packet is deemed invalid
C.if the requested MAC address exceeds the configured limit on the port
D.if the ARP packet comes from a port that has been configured as trusted

정답:

Question No : 2

Your network connections to the Internet through two different ISPs using EBGP. You must ensure that ISP1 is the primary path used for all traffic entering your network while using ISP2 as a backup path.
In this scenario, which statement is correct?

A.You should use a lower MED value on routes sent to ISP1.
B.You should assign a higher local preference on routes that you are sending to ISP1.
C.You should change the next hop for all routers sent to ISP2.
D.You should prepend your local AS number three times on routes that you are sending to ISP2.

정답:

Question No : 3

Which three mechanisms are associated with the bridging process? (Choose three.)

A.blocking
B.flooding
C.aging
D.filtering
E.listening

정답:

Question No : 4

You want to configure your Junos device so that routing information from certain prefixes on a neighboring router are ignored.
What should you configure on your device?

A.It interface
B.firewall rule
C.martian address
D.vt interface

정답:

Question No : 5

Which area is reserved for the OSPF backbone?

A.Area 0.0.0.0
B.Area 1.1.1.1
C.Area 2.2.2.2
D.Area 3.3.3.3

정답:

Question No : 6

Which static route next-hop value indicates that the packet will be silently dropped?

A.resolve
B.discard
C.reject
D.next-table

정답:

Question No : 7

You want to advertise only a default route into a new area, which will be called area 7.
In this scenario, which configuration statement would solve this problem?

A.user@host# set protocols ospf area 0.0.0.7 nssa default-lsa default-metric10
B.user@host# set protocols ospf area 0.0.0.7 stub no-summaries
C.user@host# set protocols ospf area 0.0.0.7 stub default-metric 10
D.user@host# set protocols ospf area 0.0.0.7 stub

정답:

Question No : 8

Which two OSPF header fields must match to form an adjacency over a broadcast connection? (Choose two.)

A.router priority
B.options
C.hello interval
D.neighbor

정답:

Question No : 9

Which two statements describe BGP attributes? (Choose two.)

A.BGP attributes help determine the best path to a destination.
B.The origin attribute indicates the autonomous systems through which the route has traversed.
C.BGP attributes are always optional.
D.The AS path attribute indicates the autonomous systems through which the route has traversed.

정답:

Question No : 10

When configuring firewall filters, which function does the interface-specificparameter enable on an EX Series switch?

A.The interface-specific parameter is required to configure port-specific counters.
B.The interface-specific parameter is required to configure VLAN-specific counters.
C.The interface-specific parameter is required to configure VLAN-based filters.
D.The interface-specific parameter is required to configure port-based firewall filters.

정답:

Question No : 11

You have configured the router with an IS-IS interface metric of 2048.
However, the IS-IS interface metric of 63 is being applied for the interface of this router.
What must you do to enable the larger metric value?

A.Enable wide metrics.
B.Disable narrow metrics.
C.Restart the IS-IS protocol.
D.Enable level 1 IS-IS routing.

정답:

Question No : 12

You configured a GRE tunnel that traverses a path using default MTU settings. You want to ensure that packets are not dropped of fragmented.
In this scenario, what is the maximum packet size that would traverse the GRE tunnel?

A.1500
B.1400
C.1524
D.1476

정답:

Question No : 13

Which two requirements must be satisfied before graceful restart will work? (Choose two.)

A.a stable network topology
B.a neighbor configured with BFD
C.a neighbor configured with graceful restart
D.a neighbor with an uptime greater than an hour

정답:

Question No : 14

Your network is configured with dynamic ARP inspection (DAI) using the default parameters for all the DHCP and ARP related configurations. You just added a new device connected to a trunk port and configured it to obtain an IP address using DHCP.
Which two statements are correct in this scenario? (Choose two.)

A.The DHCP server assigns the IP addressing information to the new device.
B.DAI validates the ARP packets for the new device against the DHCP snooping database.
C.The ARP request and response packets for the new device will bypass DA
D.DHCP snooping adds the DHCP assigned IP address for the new device to its database.

정답:

Question No : 15

Which statement is correct about trunk ports?

A.Trunk ports must have an IRB assigned to accept VLAN tagged traffic.
B.By default, trunk ports accept only VLAN tagged traffic.
C.By default, a trunk port can have only a single VLAN assigned.
D.trunk ports must have an IRB assigned to accept untagged traffic.

정답:

Juniper JN0-349 시험