السؤال #1

-- Exhibit -- traceroute to 10.1.15.2 (10.1.15.2), 30 hops max, 40 byte packets 1 10.1.36.1 (10.1.36.1) 0.651 ms 7.834 ms 0.506 ms 2 10.1.23.1 (10.1.23.1) 0.5 ms 0.5 ms 0.5 ms 3 * * * 4 * * * -- Exhibit -- Referring to the exhibit, which statement is correct?

A. The packets have exceeded the time-to-live value

B. There is a loop

C. The asterisks indicate a response time out

D. The asterisks indicate that the traceroute is completed

عرض الإجابة

اجابة صحيحة: BDE

السؤال #2

Which two statements are true about TCP communication? (Choose two.)

A. The receiver acknowledges the final packet in each communications stream

B. The receiver adds sequencing numbers to the packets received

C. The sender adds sequencing numbers to the packets it sends

D. The receiver acknowledges each packet it receives from the sending device

عرض الإجابة

اجابة صحيحة: D

السؤال #3

Which simplified IPv6 address is the same as the IP address 2001:0000:1000:0000:0000:cbff:0020:0001/64?

A. 2001::1::cbff:2:0001/64

B. 2001::1000::cbff:20:1/64

C. 2001:0:1000::cbff:20:1/64

D. 2001:0:1:0:0:cbff:2:1/64

عرض الإجابة

اجابة صحيحة: C

السؤال #4

-- Exhibit -- [editsnmp] user@router# show communityCommunityA { authorization read-only; clients { 192.168.1.0/28; } } trap-groupgroupA { categories { link; } targets { 192.168.100.1; 192.168.200.1; } } -- Exhibit -- Referring to the exhibit, what is the purpose of the targets section of the configuration?

A. It defines which devices will be sending traps

C. It defines the IP addresses of management systems that can access the device

D. It specifies which devices can be polled for SNMP data

عرض الإجابة

اجابة صحيحة: ACD

السؤال #5

What are three characteristics of UDP? (Choose three.)

A. UDP is faster than TCP

B. UDP operates at the Transport Layer

C. UDP is connection-oriented

D. UDP data is sent best-effort

E. UDP is more reliable than TCP

عرض الإجابة

اجابة صحيحة: CD

السؤال #6

Random early detection (RED) is associated with which class of service component?

A. classification

B. policing

C. queuing

D. scheduling

عرض الإجابة

اجابة صحيحة: C

السؤال #7

During a password recovery, what is the next step after configuring the system to boot into single-user mode?

A. Reset the root password

B. Press the space bar

C. Type recovery

D. Press the "Enter" key

عرض الإجابة

اجابة صحيحة: D

السؤال #8

What are two purposes of a forwarding class? (Choose two.)

A. to identify traffic that should be dropped

B. to classify traffic

C. to identify traffic that should receive common treatment

D. to assign traffic to output queues

عرض الإجابة

اجابة صحيحة: A

السؤال #9

Which two statements are true about terms in a routing policy? (Choose two.) A. A routing policy cannot have more than one term.

B. If a term does not contain a from statement, all routes match

C. If a term does not contain a from statement, the Junos OS will not commit

D. A then statement is not mandatory in a term

عرض الإجابة

اجابة صحيحة: ADE

السؤال #10

What is the default import routing policy for OSPF?

A. Accept all OSPF routes and install them into the inet

B. Accept all OSPF routes and install them into the inet7

C. Accept all OSPF routes and install them into the inet4

D. Accept all OSPF routes and install them into the inet

عرض الإجابة

اجابة صحيحة: D

السؤال #11

You issue the command telnet interface ge-1/1/0 10.10.10.1 source 192.168.100.1 bypass-routing. Which statement is correct?

A. The bypass-routing parameter is ignored when using private IP addressing

B. The telnet session will have the source IP address 10

C. The telnet session will connect to the neighboring device's interface ge-1/1/0

D. Return traffic for the telnet session might not arrive at interface ge-1/1/0

عرض الإجابة

اجابة صحيحة: C

السؤال #12

What information is used by a switch to forward an Ethernet frame to its destination? A. IP address

B. destination MAC address

C. ARP table entry

D. FCS checksum

عرض الإجابة

اجابة صحيحة: BCD

السؤال #13

Real 3 Juniper JN0-102 Exam Which simplified IPv6 address is the same as the IP address 2001:0000:1000:0000:0000:cbff:0020:0001/64?

A. 2001::1::cbff:2:0001/64

B. 2001::1000::cbff:20:1/64

C. 2001:0:1000::cbff:20:1/64

D. 2001:0:1:0:0:cbff:2:1/64

عرض الإجابة

اجابة صحيحة: C

السؤال #14

Which command do you use as a valid way to view the PICs within a router as well as the PICs' serial numbers?

A. show chassis hardware

B. show chassis interfaces

C. show chassis pic

D. show chassis inventory

عرض الإجابة

اجابة صحيحة: A

السؤال #15

Which login class permission will allow a user to use the telnet utility?

A. network permission

B. maintenance permission

C. supervisor permission

D. shell permission

عرض الإجابة

اجابة صحيحة: AC

السؤال #16

By default, what are three valid routing tables? (Choose three.)

A. inet

B. inet4

D. inet6

E. inet

عرض الإجابة

اجابة صحيحة: ABC

السؤال #17

What is the network address for the 10.13.147.100/19 host?

A. 10

B. 10

C. 10

D. 10

عرض الإجابة

اجابة صحيحة: C

السؤال #18

-- Exhibit -- user@router> show route protocol static inet.0: 12 destinations, 12 routes (12 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 192.168.1.128/27 *[Static/5] 00:03:13 >to 10.20.106.10 via fe-0/0/5.1 192.168.1.144/29 *[Static/5] 00:03:13 >to 10.20.14.131 via ge-0/0/0.0 192.168.1.192/27 *[Static/5] 00:03:13 >to 10.18.1.1 via ge-0/0/1.0 192.168.1.128/28 *[Static/5] 00:01:06 >to 10.20.14.130 via ge-0/0/0.0 -- Exhibit -- Given the routing entries shown in the exhibit, which

A. 10

B. 10

C. 10

D. 10

عرض الإجابة

اجابة صحيحة: C

السؤال #19

What is a valid IPv6 address?

A. 00:05:85:23:45:67

B. 127

C. 2001:0db8:3000:2215:0000:0000:aaaa:1111

D. 49

عرض الإجابة

اجابة صحيحة: B

السؤال #20

Which two commands will successfully create ping traffic? (Choose two.)

A. user@router# ping 10

C. user@router> ping 10

D. user@router> request ping 10

عرض الإجابة

اجابة صحيحة: A

السؤال #21

You want to log in to the router and make a configuration change. After logging in as the root user, what is the next command you must enter?

A. enable

B. configure

C. edit

D. cli

عرض الإجابة

اجابة صحيحة: A

السؤال #22

Which command do you issue to upgrade the current software on Junos devices?

A. request system software replace

B. request system software install

C. request system software add

D. request system software upgrade

عرض الإجابة

اجابة صحيحة: D

السؤال #23

Which statement is true regarding the password-recovery process?

A. You must have a console connection

B. You cannot set the console port to an insecure mode

C. You must press the Enter key so that you can boot into single-user mode

D. When prompted to enter the full pathname of the shell, you must press the Enter key

عرض الإجابة

اجابة صحيحة: A

السؤال #24

Real 4 Juniper JN0-102 Exam Which layer in the TCP/IP model is responsible for delivering packets to their destination?

A. Application Layer

B. Transport Layer

C. Internet Layer D

عرض الإجابة

اجابة صحيحة: C

السؤال #25

For the interface ge-1/2/3.4, what does "ge" represent?

A. SONET/SDH

B. Gigabit Ethernet

C. Aggregated Ethernet

D. GRE

عرض الإجابة

اجابة صحيحة: B

السؤال #26

Which two fields are found in an Ethernet frame header? (Choose two.)

A. TTL

B. flags

C. checksum

D. type

عرض الإجابة

اجابة صحيحة: BD

السؤال #27

Which two commands would you use to view OSPF routes? (Choose two.)

A. show ip route ospf

B. show ospf routes

C. show route protocol ospf

D. show route

عرض الإجابة

اجابة صحيحة: C

السؤال #28

Which two design goals describe the Junos OS design? (Choose two.)

A. clean separation of security and routing policies

B. clean separation of control and forwarding planes

C. modularization of multiple software processes

D. a single hardware platform for all software applications

عرض الإجابة

اجابة صحيحة: A

السؤال #29

The IP address 10.1.1.1 belongs to which class of IP address space?

A. Class A

B. Class B

C. Class C

D. Class D

عرض الإجابة

اجابة صحيحة: A

السؤال #30

Which statement is true regarding the Network Time Protocol (NTP) on Junos devices? A. MD5 authentication is supported by the Junos OS.

B. Server mode is not supported by the Junos OS

C. The Junos OS can provide a primary time reference

D. The Junos OS does not support the use of a boot server

عرض الإجابة

اجابة صحيحة: AB

السؤال #31

Which command will delete the current rescue configuration?

A. user@router# system delete configuration rescue

B. user@router> request system configuration rescue delete

C. user@router# delete rescue configuration

D. user@router> file delete rescue-configuration

عرض الإجابة

اجابة صحيحة: A

السؤال #32

What are three physical interface properties? (Choose three.)

A. payload scrambling B

C. FCS

D. link speed

E. IP address

عرض الإجابة

اجابة صحيحة: A

السؤال #33

What is the default route preference value for EBGP?

A. 20

B. 100

C. 170

D. 200

عرض الإجابة

اجابة صحيحة: B

السؤال #34

-- Exhibit -- interfaces { ge-0/0/8 { unit 0 { family inet { address 192.168.1.1/24; } } } ge-0/0/9 { unit 0 { family inet { address 192.168.10.1/24; } } } } -- Exhibit -- Referring to the exhibit, which command would you use to add an additional address to the ge-0/0/9.0 interface?

A. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet address /24

B. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet secondary-address /24

C. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet address /24 secondary

D. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet address-secondary /24

عرض الإجابة

اجابة صحيحة: D

السؤال #35

Which statement describes transit traffic?

A. Traffic addressed to the chassis that requires some form of special handling by the RE before it can be forwarded out an egress port

B. Traffic that enters an ingress port, is compared against the forwarding table, and is forwarded out an egress port

C. Any traffic that requires the generation of an ICMP message

D. Traffic that requires some form of special attention and does not pass through the device

عرض الإجابة

اجابة صحيحة: BC

السؤال #36

What must be configured prior to the first commit after factory defaults are loaded?

A. root authentication

B. default gateway

C. host name

D. management services

عرض الإجابة

اجابة صحيحة: D

السؤال #37

What are three benefits of using IPv6? (Choose three.) Real 10 Juniper JN0-102 Exam

A. IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4

B. IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts

C. IPv6 eliminates the need for private to public NAT using a large address pool

D. IPv6 provides backward compatibility with IPv4 using the Next Header field

E. IPv6 represents large IP addresses using dotted decimal notation

عرض الإجابة

اجابة صحيحة: BD

السؤال #38

Which two statements are true about optical networks? (Choose two.)

A. SONET and SDH both use time-division multiplexing

B. An optical transport network system uses time-division multiplexing

C. SONET and SDH both use wavelength-division multiplexing

D. An optical transport network system uses wavelength-division multiplexing

عرض الإجابة

اجابة صحيحة: AD

السؤال #39

Real 6 Juniper JN0-102 Exam Which statement is correct regarding IPv6 addresses? A. An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.

B. An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections

C. An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections

D. An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections

عرض الإجابة

اجابة صحيحة: C

السؤال #40

Which layer in the TCP/IP model is responsible for delivering packets to their destination? A. Application Layer

B. Transport Layer

C. Internet Layer

D. Network Access Layer

عرض الإجابة

اجابة صحيحة: D

السؤال #41

Which three user authentication methods are supported by the Junos OS? (Choose three.)

A. RADIUS

B. CHAP

C. local user database

D. TACACS+

E. PAP

عرض الإجابة

اجابة صحيحة: C

السؤال #42

In dotted decimal notation, what is the equivalent of 11010101 01000010 01111111 11000010?

A. 213

B. 214

C. 212

D. 213

عرض الإجابة

اجابة صحيحة: AC

السؤال #43

Which two prefixes would summarize the networks shown below? (Choose two.) 192.168.1.0/24 192.168.2.0/24 192.168.3.0/24 A. 192.168.0.0/23

B. 192

C. 192

D. 192

عرض الإجابة

اجابة صحيحة: A

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