Juniper JN0-400 Online Practice Questions and Exam Preparation

Juniper JN0-400 Online Questions & Answers

• Question 91:

  When DHCP snooping is enabled, which two DHCP messages are allowed on an untrusted interface? (Choose two.)

  A. DHCPACK
  B. DHCPOFFER
  C. DHCPREQUEST
  D. DHCPDISCOVER
  C. DHCPREQUEST
  D. DHCPDISCOVER

• Question 92:

  What happens when a 320W power supply is installed on an EX 4200 switch with full Power over Ethernet (PoE) support?

  A. Power is available only to devices that are onPoE class 2 or above.
  B. Power is available only to devices that are onPoE class 3 or above.
  C. Only the first eight ports are provided with power.
  D. No power is available until the correct power supply is installed.
  C. Only the first eight ports are provided with power.

• Question 93:

  Which two configuration options are valid methods for troubleshooting an EX-series switch? (Choose two.)

  A. monitor
  B. syslog
  C. debug
  D. traceoptions
  B. syslog
  D. traceoptions

• Question 94:

  Which two statements describe the EX 3200 switches? (Choose two.)

  A. The redundant AC power supply units on the EX 3200 switches are hot swappable and load sharing.
  B. The single-blower fan tray used for the EX 3200 switches is field replaceable.
  C. The EX 3200 switches support either 4-port 1-Gigabit Ethernet or 2-port 10-Gigabit Ethernet uplink modules.
  D. The EX 3200 switches can be interconnected to form a single virtual chassis.
  B. The single-blower fan tray used for the EX 3200 switches is field replaceable.
  C. The EX 3200 switches support either 4-port 1-Gigabit Ethernet or 2-port 10-Gigabit Ethernet uplink modules.

• Question 95:

  When configuring a redundant trunk group (RTG) on an interface, which restriction would apply?

  A. The interface cannot be configured as a Layer 2 trunk.
  B. Spanning Tree Protocol (STP) cannot be configured on the interface.
  C. The gratuitous-ARP-reply must be disabled on the interface.
  D. The interface must be configured as a Layer 3 interface with an assigned IP address.
  B. Spanning Tree Protocol (STP) cannot be configured on the interface.

• Question 96:

  Click the Exhibit button.

  In the exhibit, what is the command to delete the web-management service?

  

  A. [edit system services] root# delete web-management http interface ge-0/0/0
  B. [edit system services] root# delete web-management
  C. [edit system services] root# delete system services web-management http interface ge-0/0/0
  D. [edit system services] root# delete system services web-management
  B. [edit system services] root# delete web-management

• Question 97:

  Which two statements describe the EX 4200 switches? (Choose two.)

  A. All EX 4200 switches support either partial or full Power over Ethernet (PoE) support.
  B. The fan tray used for the EX 4200 switches is not field replaceable.
  C. The EX 4200 switches support redundant load-sharing AC power supplies.
  D. The EX 4200 switches can be interconnected to form a single virtual chassis.
  C. The EX 4200 switches support redundant load-sharing AC power supplies.
  D. The EX 4200 switches can be interconnected to form a single virtual chassis.

• Question 98:

  Which two are included in the EZsetup configuration for EX-series switches? (Choose two.)

  A. Configure root authentication.
  B. Configure me0 management Ethernet port.
  C. Configuresyslog servers.
  D. Configure routing protocols.
  A. Configure root authentication.
  B. Configure me0 management Ethernet port.

• Question 99:

  Click the Exhibit button.

  Given the configuration in the exhibit, which command would configure the IP address 10.10.10.1/24 for VLAN 2?

  

  A. set interfaces ge-0/0/1 unit 0 familyinet address 10.10.10.1/24
  B. set interfacesvlan unit 2 family inet address 10.10.10.1/24
  C. set interfacesvlan v2 family inet address 10.10.10.1/24
  D. setvlans v2 family inet address 10.10.10.1/24
  B. set interfacesvlan unit 2 family inet address 10.10.10.1/24

• Question 100:

  Which two statements are true regarding switch port modes? (Choose two.)

  A. Access mode is the default mode for all ports.
  B. Trunk mode is the default mode for all ports.
  C. In access mode, ports receive and transmit untagged Ethernet frames by default.
  D. In trunk mode, ports receive and transmit untagged Ethernet frames by default.
  A. Access mode is the default mode for all ports.
  C. In access mode, ports receive and transmit untagged Ethernet frames by default.