Saturday 12 January 2008

JNCIA-ER Preassessment Exam.

1. Which directory is used to store the three most recent configuration rollback files?(A)

A. /config
B. /var/tmp
C. /var/home
D. /config/rollback
2. What will load a factory default configuration onto your router if you do not have access to the router CLI?(D)

A. Press the power button for less than 5 seconds.
B. Press the power button for more than 5 seconds.
C. Press the configuration button for less than 5 seconds.
D. Press the configuration button for more than 5 seconds.
3. Which three daemons are contained in the JUNOS software? (Choose three.)(B C D)

A. VPN
B. Chassis
C. Management
D. Routing Protocol
4. Which CLI command displays the time the router last booted?(D)

A. show time
B. show clock
C. show system boot
D. show system uptime
5. Which represents a valid method for obtaining an IP address during an autoinstallation process?(D)

A. RIP
B. BGP
C. OSPF
D. DHCP
6. Which CLI command displays the hardware currently installed in the router?(C)

A. show chassis alarms
B. show system hardware
C. show chassis hardware
D. show system environment
7. Which two statements regarding the JUNOS software user authentication methods are correct? (Choose two.)(A B)

A. All users must be configured locally on the router.
B. Multiple authentication methods can be configured.
C. Only one authentication method can be configured.
D. Multiple users can authenticate using a common local user account.
8. Which CLI command displays any active alarms on the router?(B)

A. show system alarms
B. show chassis alarms
C. show system environment
D. show chassis environment
9. Which major J-Web menu should you use to send an ICMP echo request packet to a neighboring router?(C)

A. Monitor
B. Manage
C. Diagnose
D. Configuration
10. What is one way to activate the rescue configuration on a J-series router?(C)

A. Issue the load rescue command.
B. Issue the commit rescue command.
C. Issue the rollback 1 command and commit.
D. Issue the rollback rescue command and commit.
11. Why would you apply an import policy to a protocol?(D)

A. to restrict traffic that enters your router
B. to redistribute routes between protocols
C. to modify route properties of routes you send to other routers
D. to modify route properties of routes received from other routers
12. Which CLI command displays the current RIP configuration on a J-series router?(D)

A. show protocols rip
B. show configuration rip
C. show rip configuration
D. show configuration protocols rip
13. To observe trace output on the terminal screen in real time, what command must be executed?(D)

A. debug
B. monitor start
C. terminal monitor
D. Trace file
14. Where do you configure a RIP neighbor in the CLI?(D)

A. under [routing rip neighbor]
B. under [protocols rip neighbor]
C. under [routing rip group "group-name" neighbor]
D. under [protocols rip group "group-name" neighbor]
15. Which J-Web window pane allows you to view and manage licenses?(B)

A. Monitor
B. Manage
C. Diagnose
D. Configuration
16. Which type of routing protocol is RIP?(D)

A. link state
B. path vector
C. policy based
D. distance vector
17. When using the J-Web interface to configure RIP, which two policies are automatically configured by the router? (Choose two.)(C D)

A. Import policy to block RIP routes.
B. Import policy to block direct routes.
C. Export policy to advertise RIP routes.
D. Export policy to advertise direct routes.
18. Where do you configure static routes in the Junos CLI?(D)

A. under [static route]
B. under [protocols static]
C. under [policy-options static]
D. under [routing-options static]
19. Which CLI command displays routes received from a RIP neighbor?(D)

A. show rip route "neighbor"
B. show rip receive-route "neighbor"
C. show route protocol rip "neighbor"
D. show route receive-protocol rip "neighbor"
20. Which protocol family must be configured on an interface to allow ICMP traffic to be received?(B)

A. ip
B. inet
C. icmp
D. management
21. Which statement describes the function of a routing policy?(D)

A. It controls the size of routing protocol packets.
B. It allows routing protocols to be auto configured.
C. It allows for the configuration and management of user permissions.
D. It controls routing information transferred in and out of the routing table.
22. A JUNOS router has a packet filter configured under [edit firewall family inet]. Which two statements accurately reflect the operation of this packet filter? (Choose two.)(B C)

A. It maintains protocol state.
B. It does not maintain protocol state.
C. It processes packets independently of a particular flow.
D. It processes packets within the context of a particular flow.
23. Why would you apply an export policy to a routing protocol?(B)

A. to allow a route to be accepted into your routing table
B. to allow a route to be advertised out of your routing table
C. to allow a route to have a higher metric in your routing table
D. to prevent a route from entering your routing table
24. Which CLI command displays all static routes in the routing table?(D)

A. show static all
B. show route static
C. show static route
D. show route protocol static
25. Which routing technology is often used when a customer is single-homed to a service provider?(B)

A. RIP
B. BGP
C. Static
D. OSPF

4 comments:

el sOdA said...

Thanks a lot! i'm taking the JNCIA-ER

Irfan Salam said...

JNICA-ER Pre-assessment Exam Answers (80% Correct)
Q1) what is the purpose of the services interface? (C)
Select the best answer then click the forward arrow to submit
A) Allows for secure shell access to the router
B) Processes traffic using class-of-service
C) Provides various layer2 and layer 3 services
D) Used to bundle Ethernet interfaces on M-series routers
Q2) within the J-Web initial setup wizard, which menu is used to configure the hostname of the router?(C)
A) Users
B) Set Up
C) Routing
D) Interfaces

Q3) which major J-Web menu should you use to view the physical hardware in the router? (B)
A) Monitor
B) Manage
C) Diagnose
D) Configuration
Q4) Which Statements are true regarding the ASM? (B, D)
A) The ASM supports only layer 3 services
B) The ASM is an option when ordering M7i
C) The ASM comes standard with all M7I and M10I routers
D) The ASM supports the layer 2 and layer 3 service packages simultaneously

Q5) Which CLI command displays all static routes in the routing table? (D)
A) Show static all
B) Show route static
C) Show static route
D) Show route protocol static

Q6) Which tool can be used to verify that packets are using the correct path toward a given destination? (D)
A) Ping
B) Netstat
C) Nslookup
D) Traceroute

Q7) Which configuration statement contacts a TACACS server when the primary RADIUS server is unreachable? (C)
A) [edit] system { authentication-order [radius tacacs];
B) [edit] authentication { login-order [radius tacacs];
C) [edit] system { authentication-order [radius tacplus];
D) [edit] authentication { login-order [radius tacplus];

Q8) Which CLI command displays routes received from a RIP neighbor? (D)
A) Show rip route “neighbor”
B) Show rip receive-route “neighbor”
C) Show route protocol rip “neighbor”
D) Show route receive-protocol rip “neighbor”

Q9) which three daemons are contained in the JUNOS software? (B,C,D)
A) VPN
B) Chassis
C) Management
D) Routing protocol
Q10) You are logged in to an M10i router as the lab user. The J-Web 8.0R2.8 package is located in your home directory. Which CLI command would install the J-Web interface? (C)
A) Load software jweb-8.0R2.8-signed.tgz
B) Load software /home/lab/ jweb-8.0R2.8-signed.tgz
C) Request system software add jweb-8.0R2.8-signed.tgz
D) Request system software add /home/lab/ jweb-8.0R2.8-signed.tgz
Q11) what are two services provided by the SDX? (A, C)
A) Usage tracking and accounting
B) Customized firewall modifications
C) Secure remote access to the router
D) An XML interface for router configuration

Q12) Which J-Web window pane allows you to view and manage licenses? (B)
A) Monitor
B) Manage
C) Diagnose
D) Configuration

Irfan Salam said...

Q13) which CLI command displays the current RIP configuration on J-Series router? (D)
A) Show protocols rip
B) Show configuration rip
C) Show rip configuration
D) Show configuration protocols rip

Q14) which protocol family must be configured on an interface to allow ICMP traffic to be received? (B)
A) Ip
B) Inet
C) Icmp
D) Management

Q15) which CLI command displays the status of each operational OSPF link on the router? (C)
A) Show ospf neighbor
B) Show ospf adjacency
C) Show ospf interface
D) Show ospf statistics

Q16) which configuration option allows you to view autoinstallation messages? (D)
A) View
B) Debug
C) Decode
D) Traceoptions
Q17) which MLPPP configuration statement determines the threshold for maintaining the state of an MLPPP bundle? (D)
A) Link-limit
B) Link-threshold
C) Minimum-threshold
D) Minimum-links

Q18) which directory is used to store the three most recent configuration rollback files? (D)
A) /Config
B) /var/tmp
C) /var/home
D) /config/rollback

Q19) During autoinstallation, how many attempts are made to retrieve the hostname.conf files? (C)
A) 1
B) 2
C) 3
D) 4
Q20) which statements are true regarding DHCP services and J-series routers? (B, D)
A) J-series routers can operate as a DHCP-relay agent only.
B) J-series routers can operate as a DHCP server
C) J-series routers can function as DHCP-relay agent and DHCP server simultaneously
D) J-series routers can relay DHCP requests from one LAN to another

Q21) Which statement describes the function of a routing policy? (D)
A) It controls the size of routing protocol packets.
B) It allows routing protocols to be auto configured
C) It allows for the configuration and management of user permissions
D) It controls routing information transferred in and out of the routing table
Q22) which of the following address assignment options are available when configuring NAT? (B, D)
A) One-to-many
B) Dynamic
C) One-to-one
D) Static
Q23) which routing technology is often used when a customer is single-homed to a service provider? (B)
A) RIP
B) BGP
C) Static
D) OSPF
Q24) which type of IGP should you use to achieve scalability in a large enterprise network? (A)
A) Link-state protocol
B) Path-vector protocol
C) Bellman-ford protocol
D) Distance-vector protocol
Q25) you have a router which does not have the J-Web interface installed by default. Which CLI command installs the J-Web package? (D)
A) Package add jweb-8.0R2.8-signed.tgz
B) Install package jweb-8.0R2.8-signed.tgz
C) Load system software jweb-8.0R2.8-signed.tgz
D) Request system software add jweb-8.0R2.8-signed.tgz

Unknown said...

ramya here,i m nt sure of de answer tht has been given for configuration rollback files.

 
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