JUNOS Enterprise Switching

Chapter Review Questions

1. What is the most common IP telephony deployment scenario?

   1. IP phone plugged into a PC

   2. IP phone and PC plugged into different switch ports

   3. IP phone and PC plugged into the same switch port

   4. IP phone plugged into an IP gateway

2. What type of power management scheme allows for different wattage based on the type of device?

   1. Static

   2. Class

   3. Random

   4. Policy

3. True or false: every Ethernet port on an EX is PoE-capable by default.

4. In which layer does LLDP operate?

   1. Layer 2

   2. Layer 3

   3. Layer 4

   4. Layer 5

5. Which TLVs are valid for LLDP? (Choose two.)

   1. Port ID

   2. Router ID

   3. System ID

   4. Protocols supported

6. What is the primary goal of LLDP-MED?

   1. To adjust the BGP metric of IP phones

   2. To signal the existence of a phone to a call manager

   3. To discover the capabilities of an IP endpoint

   4. To provide a secure and encrypted neighbor discovery protocol

7. Which JUNOS feature allows the use of tagged and untagged frames on the same interface?

   1. Trunk mode

   2. Access mode

   3. Promiscuous mode

   4. Voice VLAN

8. When does an EX Series switch begin to send out LLDP-MED frames?

   1. As soon as LLDP-MED is configured

   2. When it receives an LLDP-MED TLV

   3. When the voice VLAN is configured

   4. When an RTP message is received

9. Where is the voice VLAN ID configured?

   1. [edit vlans]

   2. [edit ethernet-switching-options]

   3. [edit interfaces]

   4. [edit voice]

10. What are two ways to classify incoming packets in JUNOS software?

    1. BA classifiers

    2. Rewrite rule

    3. Scheduler

    4. Multifield classifier

    5. IP classifier

11. How do you make a non-LLDP-MED phone work with an EX Series switch?

    1. You can’t

    2. Configure the switch port as a trunk port ...