JN0-120 Exam Questions

Which type of cable is required to access the router's console port from a PC?

When using a 40 Gbps switch fabric, how much full duplex bandwidth is available to each slot?

Which three CLI modes are available on the ERX Edge Router? (Choose three.)

The primary line module has failed and the spare line module is now active. What occurs, by default, when the primary line module returns to an operational status?

Where does Layer 2 de-encapsulation occur on the ERX Edge Router?

Which configuration command enables the router for SNMP?

Which CLI command copies a file called 4-0-0.rel from FTP server userpc to the router?

Which ERX Edge Router component is responsible for all packet processing and packet forwarding?

Which two parameters are virtual router specific? (Choose two.)

Beginning with software version 4-0-0.rel, how many virtual routers can be configured on the ERX Edge Router?

Your ERX router is supporting 100 virtual routers. A specific line module supports IP interfaces in 5 virtual routers. How many routing tables are maintained on that module?

Which two factors affect the speed of your DSL connection? (Choose two.)

What is the maximum attainable bandwidth using an analog data modem?

Which two B-RAS service offerings maintain the analog dial-up model with centralized user authentication, authorization, and accounting? (Choose two.)

How does the ERX Edge Router interact with subscriber IP addresses assigned by an external DHCP server?

Which configuration command allows the ERX Edge Router to advertise customer networks into the provider's IGP?

A Bridged 1483 network is grouping DSL users into a single subnet. Where must the CPE workstation's default gateway point?

A service provider is assigning a /30 subnet to each ATM PVC in a Routed 1483 environment. What is a consequence of this configuration?

Which configuration command represents a static host route in a Routed 1483 network?

You are configuring an ATM PVC to support a Bridged 1483 network. What should be applied to the atm pvc command to accomplish this goal?

In a Bridged 1483 network, which set of configuration commands allows the router to forward requests from the PC to an external DHCP server at 1.1.1.1?

Your Routed 1483 network is grouping ATM PVCs into a large subnet and has static host routes configured. For which purpose does the static route to the customer router provide?

What is the proper command to create a DHCP address pool?

When configuring PPP over ATM interfaces, what does the profile utility accomplish?

When configuring PPP over ATM, what configuration command determines which virtual router's RADIUS server will authenticate a client's login?

When sending an LCP Configuration Request, what can the ERX Edge Router possibly negotiate?

Which software process sorts client login requests and assigns them to a virtual router for RADIUS service?

What is the purpose of the magic number in an LCP negotiation?

Which configuration command allows the router to utilize a RADIUS server to authenticate incoming Telnet users?

In a PPP over ATM service offering, what is a valid method for assigning an address to the ERX Edge Router?

What is a method by which an IP interface can be assigned to a virtual router in a PPP over ATM environment?

What are the two well-known UDP ports used by RADIUS accounting servers? (Choose two.)

In a DSL network providing PPP over Ethernet service, which device provides the client's IP address?

A user is connected on a DSL line and is using a PPP over Ethernet service. Which network device encapsulates the datagram inside of an ATM header?

The ERX Edge Router is configured for PPP over Ethernet without using VLAN tagging. How many PPP over Ethernet major interfaces can be configured per port?

What are the two stages of PPP over Ethernet? (Choose two.)

Which set of commands allows PPPoE dynamic interfaces to use a profile called config-info?

Which profile configurations allows either PAP or CHAP to be used for authentication?

What does the ip access-routes configuration command accomplish?

With the command atm bulk-config test vc-range 1 3 200 400, what is the correct interpretation of the numeric values following the vc-range?

Which configuration command dynamically detects and configures a PPPoA interface?

Which command parameter configures a password of connection-to-lac for an L2TP tunnel on an LNS?

Which statement describes the function of the LNS in a L2TP environment?

Which sequence of messages demonstrates the communications between the LAC and LNS when they establish an L2TP session?

Which CLI command displays the active L2TP sessions on an LAC?

What is the functionality of L2TP in a BRAS environment?

Which L2TP protocol packet is sent by the LAC to establish the control connection (tunnel)?

Which two statements are true about L2TP tunnel switching? (Choose two.)

Within the L2TP LNS configuration of the router, where is the PPP authentication method specified?

Where does the LAC obtain the L2TP tunnel's attributes?