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Oracle 1Z0-400 - Questions & Answers

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Question 1
Multiple choice

When the nat-traversal parameter is set to "always", the Session Border Controller compares the__________and the Layer-3 source address to determine whether the endpoint is behind a NAT device and further compares the __________ to the Layer-3 source address to determine whether to add the registration to its registration cache.

A.

SIP Proxy IP address;SIP Registrar address

B.

Sent-by of the bottom most Via header; host address of the Contact URI

C.

From address; host address of the Contact URI

D.

Host address of the Contact URI; From address

E.

Sent-by of the top most Via header; host address of the Contact URI

Question 2
Single choice

Which statement about passwords on the Net-Net 4500 is FALSE?

A.

The User and Superusermodes are password protected.

B.

Passwords are stored in NVRAM.

C.

You do not need User and Superuser mode passwords when accessing the ACLI using SSH.

D.

Passwords cannot be seen in the output from the running configuration.

E.

The default user mode password is "acme".

Question 3
Single choice

By default, the Session Border Controller's FTP, ICMP, SNMP, and Telnet services cannot be accessed via the media interfaces. In order to enable these services, the Session Border Controller includes four fields that enable administrative traffic over the media interfaces. These four fields are collectively known as the "HIP".

What does the acronym HIP stand for?

A.

Host in Path

B.

Host Internet Protocol

C.

Host Interface Priority

D.

Healthy Interface Port

E.

Health Indicator Protocol

Question 4
Single choice

The ___________ field allows you to set the health score at whichthe standby peer in a high availability (HA) scenario will switchover to the active state without waiting for any configured timers to expire.

A.

Emergency-threshold

B.

Health-threshold

C.

Active-threshold

D.

Switchover-threshold

E.

Ha-threshold

Question 5
Single choice

When configuring the Net-Net 4500, __________ SIP interface(s) is/are allowed per realm, and __________ SIP port (s) is/are allowed for a SIP interface.

A.

Multiple; multiple

B.

One; 1024

C.

Multiple; 999

D.

One; multiple

E.

One; one

Question 6
Single choice

To return the Session Border Controller configuration to a known, factory default state you must___________.

A.

Issue the delete-config command and reboot.

B.

Issue the set-system-state offline command.

C.

Issue the delete-config command.

D.

Issue the set-system-state offline command and reboot.

E.

Press the reset button on the front panel.

Question 7
Multiple choice

Which two Net-Net 4500 Realm Bridging models are valid in a SIP environment?

A.

SIP-NAT Bridge (SNB)

B.

Multiple SIP-NATs Hosted in a Home Realm (MSNHHR)

C.

Open System Interconnect (OSI)

D.

Header Manipulation for SIP-NAT Realms (HMSNR)

E.

Single SIP NAT Homed in a Trusted Network (SSNHTN)

Question 8
Single choice

On a Net-Net 4500, a hardware-based timer will reset the system in the event of a catastrophic software or operating system failure.

This hardware timer is reset (preventing it from triggering) by the__________.

A.

Acme Control Protocol Daemon

B.

Border Element Redundancy Protocol Daemon (BERPD)

C.

Console-timeout/telnet-timeout configuration in system-config

D.

System clock

E.

Watchdog process

Question 9
Multiple choice

Which two are TRUE regarding the Net-Net 3820 and Net-Net 4500 Fan Module component?

A.

User-serviceable

B.

Self-cleaning

C.

Hot-swappable

D.

Redundant

E.

Liquid cooled

Question 10
Multiple choice

In a peering environment based on SIP-NAT Bridge, which two elements must be configured to accommodate signaling and media?

A.

Physical Interface

B.

Network Interface

C.

SIP Manipulation Rule

D.

RTP Table

E.

Local Policy

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