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JN0-304章節(jié)練習(2018.08.12)

單項選擇題
In JUNOS software, which would prevent an OSPF router from importing the 10.0.0.4/30 summaryroute?（）
A. Import policies are not allowed for internal routes, so this is not possible.
B. Export policies are not allowed, so this is not possible.
C. Apply a firewall filter matching 10.0.0/4/30 and reject the route.
D. Apply an import policy matching 10.0.0.4/30 and reject the route.
多項選擇題
Which two conditions, when met, allow an IS-IS Level 2 router to be considered attached?（）
A. You can reach other Level 2 routers.
B. It can reach at least one other defined area.
C. The router is reachable by at least two ES-IS nodes.
D. It has at least one enabled reachable prefix with a valid metric defined.
多項選擇題
In JUNOS software, which three routing protocols can be used to route IPv6?（）
A. IS-IS
B. Static
C. RIPv2
D. OSPFv2
E. MP-BGP
單項選擇題
Click the Exhibit button. Referring to the exhibit, which statement is true about the IP packet flow through interface ge-3/0/0.0?（）
A. All packets set to be forwarded out interface ge-3/0/0 will be dropped by the firewall filter fire1.
B. All packets set to be forwarded out interface ge-3/0/0 will NOT dropped by the firewall filter fire1.
C. All packets entering the router on interface ge-3/0/0.0 will be dropped by the firewall filter fire1.
D. All packets set to be forwarded out interface ge-3/0/0, except those sourced locally by the Routing Engine, will be dropped by the firewall filter fire1.
多項選擇題
Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router?（）
A. 15
B. 18
C. 150
D. 165
多項選擇題
In which two ways can you influence how downstream LSRs treat MPLS traffic?（）
A. Use an EXP rewrite table.
B. Use a DSCP rewrite table.
C. Statically assign a CoS value to an LDP-signaled LSP.
D. Statically assign a CoS value to an RSVP-signaled LSP.
單項選擇題
Which well-known community prevents a BGP speaker from announcing the associated prefix to itsinternal peers?（）
A. no-export
B. no-advertise
C. no-readvertise
D. no-export-subconfed
單項選擇題
Which mechanism does External BGP use to prevent the formation of routing loops?（）
A. AS path
B. Split horizon
C. Poison reverse
D. Unicast RPF check
多項選擇題
Which two are characteristics of both Kompella and Martini-based VPNs? （）
A. label stacking
B. auto-provisioning
C. circuit status vector
D. Martini Encapsulation
E. LDP-based control plane
單項選擇題
An OSPF non-backbone area allows external routes to be flooded within the area. These externalroutes are propagated into other areas. However, external routes from other areas are not allowed to enter this area. Which type of OSPF area does this describe?（）
A. stub area
B. transit area
C. border area
D. not-so-stubby area