CCNA - Boson B

Given the host IP address of 48.25.24.71/21, what is the last available host address in this network?

48.25.31.254

Which of the following statements are true regarding dynamic interfaces on Wireless Logic Controllers?

Dynamic interfaces are user-defined && are typically used for client data.

Which of the following digital networking technologies has a total bandwidth of 1.544 megabits per second?

T1.

You issue the following block of commands on RouterB:

RouterB(config)#ntp server 71.40.128.157

RouterB(config)#ntp server 128.227.205.3

RouterB(config)#ntp server 184.22.97.162

You want to determine from which of the three servers RouterB is currently synchronizing time.

Which of the following commands would not achieve your goal? (Select the best answer.)

• A. show clock detail

• B. show ntp associations

• C. show ntp associations detail

• D. show ntp status

show clock detail

To which of the following planes does a centralized controller connect by using a northbound API?

Application plane.

SwitchA#show running-config | begin line

line con 0

login local

line aux 0

line vty 0 15

login local

transport input telnet ssh

Based on SwitchA's configuration, in which of the following ways can users not manage SwitchA? (Select the best answer.)

A. the console port

B. SSH

C. Telnet

D. the AUX port

AUX port.

A REST API returns an HTTP status code of 301.

Which of the following is the most likely reason this code was returned? (Select the best answer.)

• A. The requested resource cannot be found.

  
  

• B. The requested resource has been permanently moved to another URL.

  
  

• C. The requested action was successfully performed on the server.

  
  

• D. The requested resource has been temporarily moved to another URL.

  
  

Requested resource has been permanently moved to another URL.

What does an HTTP status code of 302 indicate?

Requested resource has been temporarily moved to another URL.

What does an HTTP status code of 200 indicate?

Requested resource action has been successfully performed on the server.

What does an HTTP status code of 404 indicate?

requested resource cannot be found because the URL is not recognized, the resource does not exist, or the client is unauthorized (though unauthorized clients typically receive a 403 status code).

Plaintext

interface FastEthernet0/8
 switchport trunk encapsulation dot1q
 switchport mode trunk
 switchport access vlan 20
 spanning-tree portfast

Why is the FastEthernet 0/8 interface missing from the output of the show vlan command on SwitchA? (Select the best answer)

• A. FastEthernet 0/8 is configured as an access port.

• B. FastEthernet 0/8 is not configured with an IP address.

• C. FastEthernet 0/8 is configured as a trunk port.

• D. FastEthernet 0/8 is configured to use PortFast.

FastEthernet 0/8 is configured as a trunk port.

What type of file does Ansible use to specify client device host names and other device information?

An inventory.

What type of file does Ansible use to specify the actions and configurations that will be executed on managed devices?

A Playbook.

SwitchE.

Which of the following pairs of IP addresses could you use at each end of a point-to-point-link?

10.1.1.153/30 and 10.1.1.154/30

Rapid PVST+ is a Cisco enhancement of which of the following IEEE protocols/

802.1w

Which of the following optional STP features reduces convergence time by immediately placing edge ports into a forwarding state?

PortFast.

You are implementing common Layer 2 security measures on a Cisco switch. You create a new VLAN with an ID of 4. No devices operate on VLAN 4. You issue the following commands on a switch interface:

switchport access vlan 4

switchport mode access

Which of the following Layer 2 security measures are you implementing?

Configuring the port manually && moving the port to an unused VLAN.

Which of the following is enabled on a Cisco router when you issue the ntp server command form global config mode?

Static client mode.

You issue the following command on a Cisco router in global configuration mode:

ipv6 route 2001:db8:a::/32 fastethernet 0/1 2001:db8:b::1

Which of the following have you created? (Select the best answer.)

• A. a fully specified static route

• B. a floating static route

• C. a recursive static route

• D. a directly attached static route

Fully specified static route.

You want to use an HTTPS connection to access and configure a WLC.

Which of the following commands should you use?

config network secureweb enable

Which of the following statements is true regarding link-local addresses?

They are note routable.

Which of the following information will be displayed? (Select 4 choices.)

• A. the interface on RouterA that is connected to the neighboring device

• B. the capabilities and product number of the neighboring device

• C. the IP address of the neighboring device

• D. the device ID of the neighboring device

• E. the software version running on the neighboring device

• F. the interface on the neighboring device that is connected to RouterA

The interface on RouterA that is connected to the neighboring device. The capabilities and product number of the neighboring device. The device ID of the neighboring device. The interface on the neighboring device that is connected to RouterA.

One AP is installed on the network you administer. All of the wireless clients on the network have been configured with the SSID of the AP and can connect to the AP.

Which of the following actions would cause all of the wireless clients on the network to lose connectivity?

Changing the SSID && Encryption key on the AP.

ip ospf network non-broadcast

Which of the following is correct regarding how OSPF operates on the interface?

The neighbor command is required to establish adjacencies.

All traffic destined for the 172.16.1.0/24 network will be allowed.

The static route is misconfigured on RouterA.

Which of the following Cisco lightweight AP modes do not provide client connectivity?

Monitor, rogue detector, and sniffer mode(s).

VLAN Name Status Ports

---- ------- --------- ----------------------------------------

1 default active Gi0/1, Gi0/2

11 VLAN0011 active Fa0/1, Fa0/2, Fa0/3, Fa0/4

Fa0/5, Fa0/6, Fa0/7, Fa0/8

Fa0/9, Fa0/10

12 VLAN0012 active Fa0/11, Fa0/12, Fa0/13, Fa0/14

Fa0/15, Fa0/16, Fa0/17, Fa0/18

Fa0/19

14 VLAN0014 active Fa0/20, Fa0/21, Fa0/22, Fa0/23

Fa0/24

<output omitted>

You issue the following commands on Switch1:

Switch1#configure terminal

Switch1(config)#ip arp inspection vlan 11-12,14

Switch1(config)#interface range gigabitethernet 0/1 - 2

Switch1(config-if-range)#switchport access vlan 1

Switch1(config-if-range)#switchport mode access

Which of the following statements is true?

Dynamic ARP Inpection (DAI) is not configured on GigabitEthernet 0/1 GigabitEthernet 0/2.

Which of the following dotted decimal subnet masks is equivalent to the binary subnet mask 11111111.11111111.11100000.00000000?

255.255.240.0

You want to configure SSH for incoming vty connections on a new router. The router is running a K9 IOS image but has not yet been configured with a host name, a domain name, or an RSA key pair. In addition, the vty lines are not yet configured to accept incoming SSH connections.

You issue the ip ssh time-out 60 command from global configuration mode to configure the router with a 60-second timeout.

Which of the following messages will you most likely receive?

Please create RSA keys to enable SSH.

You connect a new, unconfigured switch to an existing switch's FastEthernet 0/1 interface. That interface was previously connected to an end user's workstation. You notice that the FastEthernet 0/1 interface on the existing switch enters the err-disabled state.

Which of the following are the most likely causes of the problem? (Select 2 choices.)

PortFast & BPDU guard is enabled on the FastEthernet 0/1 interface.

The OSPF areas must match && the router IDs must not match

Which of the following can be implemented to provide network-assisted power savings in a wireless network?

802.11v

Which of the following IP address blocks are defined by RFC 1918 to conserve globally unique IP addresses?

192.168.0.0/16 && 172.16.0.0/12

What AD is assigned to internal EIGRP routes by default?

90.

Which of the following best describes an AP deployment that connects APs to WLC that is housed within a switch stack?

Embedded AP deployment.

access-list 101 deny tcp 10.1.1.0 0.0.0.255 any eq 21
access-list 101 permit ip any any

Which of the following commands should you issue to disable Cisco Discovery Protocol (CDP) globally on a router or switch?

no cdp run

If the OSPF router ID of a router is not manually configured in what order is the router ID determined?

First by the highest IP address among loopback interfaces, then by the highest IP address among physical interfaces.

ipv6 address 2001:DB*:A::00FF/126

Which of the following are used by WPA2 to provide Message Integrity Checks (MICs) and encryption?

AES && CCMP.

Which of the following is an IETF-standard First Hope Redundancy Protocol (FHRP) that can use object tracking and preemption to provide Layer 3 failover?

Virtual Router Redundancy Protocol (VRRP).

All of the routes.

RouterA(config-if)$ip helper-address 10.10.3.5