Which statement is true about terms in a policy?
A.
A single term can be applied to a protocol or interface, independent of the policy.
B.
Once configured, terms within a policy cannot be reordered.
C.
The name of a term is limited to five characters.
D.
A from statement is optional in a term.
Explanation:
Terms are the basic building blocks of all Junos OS policy. They are essentially if…then statements. If all the match conditions
specified in the from statement are true (or if no from statement is specified), all the actions in the then statement are
executed. You give terms a name. The name has no effect on the evaluation of the term; rather, it provides a meaningful
identifier that you can use when referring to the term.
When evaluating the from statement, the Junos OS performs the evaluation as a logical OR between arguments to a single
match criterion and a logical AND between different match criteria. In other words, for the from statement to be considered true,
the item being evaluated must match at least one of the arguments to each given match criterion.
If a route matches all the conditions in the from statement of a term, the Junos OS executes all the actions specified in the then
statement of that term. Provided that one of those actions is a terminating action, the evaluation of the policy stops.
The actions that control the acceptance and rejection of routes (accept and reject) are terminating actions. Using these
terminating actions results in a first-match policy evaluation because the software takes the specified action immediately and
performs no further evaluation of the policy.
When the Junos OS evaluates a policy, it evaluates each term sequentially. If needed, you can use the insert CLI command in
configuration mode to modify the order in which terms appear.
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https://learningportal.juniper.net/juniper/user_fasttrack_study.aspx?track=Fast+Track+JNCIA-JUNOS
JNCIA-Junos Study Guide—Part 2
Page 26/48
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New JN0-102 Exam Questions and Answers Updated Recently (8/May/2017):
NEW QUESTION 358
Which two statements describe the default behavior for OSPF? (Choose two.)
A. OSPF imports all routes into the inet4.0 routing table.
B. OSPF exports all static routes into the OSPF database.
C. OSPF imports all routes into the inet.0 routing table.
D. OSPF does not export static routes into the OSPF database.
Answer: CD
NEW QUESTION 359
Which two ping command parameters whould be used to troubleshoot MTU issues? (Choose two.)
A. ping do-not-fragment
B. ping rapid
C. ping verbose
D. ping size
Answer: AD
NEW QUESTION 360
Which command prompt indicates that you are in operational mode?
A. user @ router &
B. user @ router #
C. user @ router $
D. user @ router >
Answer: D
NEW QUESTION 361
Which keystroke combination allows users to move the cursor to the beginning of the command line without deleting text?
A. Ctrl + u
B. Ctrl + w
C. Ctrl + a
D. Ctrl + b
Answer: C
NEW QUESTION 362
What is the subnet mask for the 172.45.32.6/19 address?
A. 255.255.224.0
B. 255.255.240.0
C. 255.224.0.0
D. 255.240.0.0
Answer: A
NEW QUESTION 363
Click the Exhibit button. Referring to the exhibit, what happens when ping packets are sent to the management interface address of the local router?
user@router> show route protocol static
inet.0: 15 destinations, 15 routes (15 active, 0 holddown, 0 hidden)
+ = Active Route, – = Last Active, * = Both
99.0.0.0/17 *[Static/5] 00:00:11
————— > to 10.1.1.2 via ge-0/0/1.0
99.0.0.0/19 *[Static/5] 00:00:11
————— > to 10.1.2.2 via ge-0/0/2.0
99.0.0.0/24 *[Static/5] 00:00:11
————— > to 10.1.3.2 via ge-0/0/3.0
99.0.0.0/26 *[Static/5] 00:00:11
————— > to 10.1.4.2 via ge-0/0/4.0
Referring to the exhibit, which next-hop interface will be used to reach the 10.21.14.16 destination?
A. ge-0/0/1.0
B. ge-0/0/0.0
C. ge-0/0/3.0
D. ge-0/0/2.0
Answer: A
NEW QUESTION 364
What is the default firewall filter behavior when a term is matched but no terminating action is specified?
A. an implicit deny and the filter evaluation terminates
B. an implicit accept and the filter evaluation terminates
C. an implicit accept and the filter evaluation continues to the next term
D. an implicit deny and the filter evaluation continues to the next term
Answer: C
NEW QUESTION 365
What are three interface prefixes for a 40-gigabit interface? (Choose three.)
A. et
B. es
C. fte
D. xe
E. xle
Answer: ABE
NEW QUESTION 366
Which source of routing information is preferred by default?
A. static
B. RIP
C. direct
D. BGP
Answer: C
NEW QUESTION 367
For the interface ge-1/2/3.4, what does “ge” represent?
A. SONET/SDH
B. Gigabit Ethernet
C. Aggregated Ethernet
D. GRE
Answer: B
NEW QUESTION 368
Which word starts a command to display the operational status of a Junos device?
A. put
B. set
C. show
D. get
Answer: C
NEW QUESTION 369
……
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