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CCNA Routing and Switching v3.0

QUESTION 321

Which command can you enter to configure a local username with an encrypted password and EXEC mode user privileges?

 

A.

Router(config)#username jdone privilege 1 password 7 08314D5D1A48

B.

Router(config)#username jdone privilege 1 password 7 PASSWORD1

C.

Router(config)#username jdone privilege 15 password 0 08314D5D1A48

D.

Router(config)#username jdone privilege 15 password 0 PASSWORD1

 

Correct Answer: A

 

 

QUESTION 322

What is the effect of the overload keyword in a static NAT translation configuration?

 

A.

It enables port address translation.

B.

It enables the use of a secondary pool of IP addresses when the first pool is depleted.

C.

It enables the inside interface to receive traffic.

D.

It enables the outside interface to forward traffic.

 

Correct Answer: A

 

 

QUESTION 323

Which command can you enter to set the default route for all traffic to an
interface?

 

A.

router(config)#ip route 0.0.0.0 0.0.0.0 GigabitEthernet0/1

B.

router(config)#ip route 0.0.0.0 255.255.255.255 GigabitEthernet0/1

C.

router(config-router)#default-information originate

D.

router(config-router)#default-information originate always

 

Correct Answer: A

 

 

QUESTION 324

Which two statements about northbound and southbound APIs are true? (Choose two.)

 

A.

Only southbound APIs allow program control of the network.

B.

Only northbound APIs allow program control of the network.

C.

Only southbound API interfaces use a Service Abstraction Layer.

D.

Only northbound API interfaces use a Service Abstraction Layer.

E.

Both northbound and southbound API interfaces use a Service Abstraction Layer.

F.

Both northbound and southbound APIs allow program control of the network.

 

Correct Answer: BC

Explanation:

APIC-EM Northbound InterfaceThe APIC-EM Northbound Interface is the only API that you will need to control your network programmatically. The API is function rich and provides you with an easy-to-use, programmatic control of your network elements, interfaces, and hosts.

The APIC-EM API provides you with the ability to think about your network at a higher policy level rather than how to implement that policy. When you use the APIC-EM API, your applications will make network policy decisions, which will then be implemented by the APIC-EM Controller through its Southbound Interfaces. Thus you tell the network what you want (i.e., the policy) and the controller figures out how to implement that policy for you. The APIC-EM API is REST based and thus you will discover and control your network using HTTP protocol with HTTP verbs (i.e., GET, POST, PUT, and DELETE) with JSON syntax. The APIC-EM GA release focus’s on the following key customer applications:

 

clip_image002Intelligent WAN (IWAN) – automates the configuration of advanced IWAN features on Cisco 4000 Series Integrated Service Routers.

clip_image002[1]Plug and Play (PnP) – delivers zero-touch deployment of Cisco Enterprise Network routers, switches and wireless controllers (including Wireless Access Points).

clip_image002[2]Path Trace – eases and accelerates the task of computing end-to-end application flow path.

 

Southbound InterfacesAlthough APIC-EM only exposes its Northbound Interfaces as an API, it is important that you understand how the Southbound Interface is built. Southbound Interfaces are implemented with a Service Abstraction Layer (SAL) which speak to network elements using SNMP and CLI (Command Line Interface) of the elements that make up the network. The use of the SNMP and CLI ensures that APIC- EM works with legacy Cisco legacy products. Future APIC-EM releases will leverage other southbound technology such as NetConf as they become available.

 

 

QUESTION 325

In which three ways is an IPv6 header simpler than an IPv4 header? (Choose three.)

 

A.

Unlike IPv4 headers, IPv6 headers have a fixed length.

B.

IPv6 uses an extension header instead of the IPv4 Fragmentation field.

C.

IPv6 headers eliminate the IPv4 Checksum field.

D.

IPv6 headers use the Fragment Offset field in place of the IPv4 Fragmentation field.

E.

IPv6 headers use a smaller Option field size than IPv4 headers.

F.

IPv6 headers use a 4-bit TTL field, and IPv4 headers use an 8-bit TTL field.

 

Correct Answer: ABC

 

 

QUESTION 326

Which standards-based First Hop Redundancy Protocol is a Cisco supported alternative to Hot Standby Router Protocol?

 

A.

VRRP

B.

GLBP

C.

TFTP

D.

DHCP

 

Correct Answer: A

 

 

QUESTION 327

What are three characteristics of the TCP protocol? (Choose three.)

 

A.

It uses a single SYN-ACK message to establish a connection.

B.

The connection is established before data is transmitted.

C.

It ensures that all data is transmitted and received by the remote device.

D.

It supports significantly higher transmission speeds than UDP.

E.

It requires applications to determine when data packets must be retransmitted.

F.

It uses separate SYN and ACK messages to establish a connection.

 

Correct Answer: BCF

 

 

QUESTION 328

Which two Cisco IOS commands, used in troubleshooting, can enable debug output to a remote location? (Choose two)

 

A.

no logging console

B.

logging host ip-address

C.

terminal monitor

D.

show logging | redirect flashioutput.txt

E.

snmp-server enable traps syslog

 

Correct Answer: BC

 

 

QUESTION 329

Which step in the router boot process searches for an IOS image to load into the router?

 

A.

bootstrap

B.

POST

C.

mini-IOS

D.

ROMMON mode

 

Correct Answer: A

 

 

QUESTION 330

Which condition indicates that service password-encryption is enabled?

 

A.

The local username password is encrypted in the configuration.

B.

The enable secret is encrypted in the configuration.

C.

The local username password is in clear text in the configuration.

D.

The enable secret is in clear text in the configuration.

 

Correct Answer: A

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