[多项选择]Which two statements about the IS -IS routing protocol are true?（）
A. IS - IS is capable of supporting IPv4 and IPv6.
B. IS - IS is only capable of supporting IPv4 and CLNS.
C. IS - IS routers use ES - IS hellos (ESH) to establish and to maintain neighbor relationships.
D. IS - IS routers run the Bellman - Ford algorithm against their LSDBs to pick the best paths.
E. Level 1 routers learn about paths within the area of which they are a part.
F. Level 2 routers learn about paths both within areas and between areas.

[多项选择]Which two statements are correct about routing tables in JUNOS?（）
A. There are separate tables for IPv4 and IPv6 called inet.0 and inet6.0 respectively.
B. They only contain the best possible route to each destination.
C. All running protocols can populate the routing tables at the same time.
D. Routes with the highest preference value are placed as active routes in the routing table.

[多项选择]Which two statements are true about IS -IS routing?（）
A. Based on the default timers, OSPF d etects a failure faster than IS - IS does.
B. OSPF default timers permit more tuning than IS - IS does.
C. IS - IS is more efficient than OSPF in the use of CPU resources.
D. OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.
E. IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.

[多项选择]Which two statements describe the default routing policy for BGP?（）
A. Advertise only locally originated routes.
B. Accept all BGP routes and import into inet.0.
C. Advertise all active BGP routes.
D. Advertise only EBGP routes.

[多项选择]Which three statements about the EIGRP routing protocol are true?（）
A. EIGRP supports five generic packet types, including hello, database description (DBD), link state request (LSR), link - state update (LSU), and LSAck.
B. EIGRP sends periodic hello packets to the multicast IP address 224.0.0.10.
C. EIGRP will not form a neighbor relationship with another peer when their K values are mismatched.
D. EIGRP sends periodic hello packets to the multicast IP address 224.0.0.9.
E. E IGRP will form a neighbor relationship with another peer even when their K values are mismatched.
F. EIGRP supports five generic packet types, including hello, update, query, reply, and ACK packets.

[多项选择]Which two statements are true regarding routing tables?（）
A. The routing table is populated by the forwarding table.
B. Devices running the Junos OS can accommodate multiple routing tables.
C. Information learned from routing protocols is stored in the routing table.
D. The primary routing table for IPv4 unicast routes is inet.4.

[多项选择]Which two statements are true regarding routing policy processing?（）
A. The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.
B. Policies are evaluated from right to left as displayed in the Junos OS configuration file.
C. Polices are evaluated based on the order in which they are applied to a routing protocol.
D. Policy processing stops once the last statement in the policy is evaluated.

[多项选择]Which statements describe the routing protocol OSPF?（）
A. It supports VLSM.
B. It is used to route between autonomous systems.
C. It confines network instability to one area of the network.
D. It increases routing overhead on the network.
E. It allows extensive control of routing updates.
F. It is simpler to configure than RIP v2.

[多项选择]Which three statements are true of dynamic routing protocols?（）
A. They are scalable.
B. They are Dijkstra based.
C. They share network layer reach ability information among neighbors.
D. They automate next hopdecisions.
E. They are tolerant of configuration errors.

[单项选择]Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology?（）
A. EIGRP can summarize per interface.
B. OSPF router databases remain independent.
C. When they are configured with stubs, EIGRP regularly floods the topology.
D. OSPF topology decisions are made independent of hierarchy or area.

[多项选择]Which two statements about login classes correctly define their usage within the JUNOS software?（）
A. A different login class must be configured for each user.
B. Individual commands can be explicitly allowed or denied.
C. A user must be assigned to one of the default login classes.
D. Each login class is associated with one or more permissions flags.

[多项选择]Which two statements about route redistribution when implementing OSPF are true?（）
A. Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.
B. OSPF can import routes learned using EIGRP, RIP, and IS - IS.
C. OSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.
D. At the interdomain level, OSPF cannot import routes learned using BGP.
E. OSPF routes can be exported into BGP.

[多项选择]Which two statements about creating constraints are true?（）
A. Constraint names must start with SYS_C
B. All constraints must be defines at the column level.
C. Constraints can be created after the table is created.
D. Constraints can be created at the same time the table is created.
E. Information about constraints is found in the VIEW_CONSTRAINTS dictionary view.

[多项选择]Which two statements about the track configuration option are correct?（）
A. The track option monitors interfaces as defined by the user.
B. The track option monitors all interfaces participating in VRRP.
C. The track option allows for a reduction of the priority value if the monitored interface goes down.
D. The track option causes syslog entries to be written in the messages log file, if the monitored interface goes down.

[多项选择]Which two statements about static NAT translations are true？（）
A. They are always present in the NATt able.
B. They allow connection to be initiated from the outside.
C. They can be configured with access lists，to allow two or more connections to be initiated from the outside.
D. They require no inside or outside interface markings because addresses are statically defined.