Cisco IOS command is used to display

Ch.15
What name is used to refer to the piece of equipment that connects a router (serial interface) to a leased line provider?

A) CSU/DSU
B) Ethernet switch
C) Frame Relay switch
D) RTS/CTS

 

 

·         CSU/DSU

 

The WAN cable that is installed by a Telco provider typically has an __________ connector.

A) RJ-45
B) RJ-48
C) RJ-14
D) RJ-11

 

·         B) RJ-48

 

The CSU/DSU converts the Layer _______ standards between the Telco and the serial interface.

A) 2
B) 3
C) 1
D) 4

 

·         C) 1

 

What type of cable is used to connect a router's console port and a management PC?

A) Ethernet crossover
B) Ethernet straight
C) Serial straight
D) Serial rollover

 

·         D) Serial rollover

 

When configuring a Cisco switch, which functionality is not the same between a router and a switch Cisco IOS CLI?

A) IP address assignment
B) CLI Help
C) Configuring duplex/speed
D) Configuring Console, VTY and enable password

 

 

·         IP address assignment

 

Which router interface type can be configured with an encapsulation of HDLC or PPP?

A) Ethernet
B) Serial
C) WAN
D) Parallel

 

·         B) Serial

 

Which Cisco IOS command can be used to display a list of basic IP information with a single line per interface, including IP address and interface status?

A) show interfaces
B) show interfaces brief
C) show ip interface brief
D) show ip interface

 

·         C) show ip interface brief

 

Which interface status code type is generally used to display the Layer 2 status of an interface?

A) Line status
B) Interface status
C) Protocol status
D) MAC status

 

·         C) Protocol status

 

If an interface shows a status of Up/Down, what is the most likely cause of the problem to be investigated?

A) Physical line status
B) IP configuration
C) TCP/UDP configuration
D) Layer 2 configuration

 

·         D) Layer 2 configuration

 

What Cisco IOS command is used to enable the use of IPv4 routing on a Cisco device?

A) ip routing
B) ip unicast-routing
C) ip routing enable
D) ip enable routing

 

·         ip routing

 

What Cisco IOS command is used to display the status information of the interfaces on a Cisco device, including IP address and mask information, in the briefest format possible?

A) show ip interface
B) show protocols
C) show ip interface brief
D) show interfaces

 

·         B) show protocols

 

When connecting two routers via a serial interface, which Cisco IOS command is required to set the line rate of the interface, and on which side of the connection would it be configured?

A) bandwidth, DTE
B) bandwidth, DCE
C) clock rate, DCE
D) clock rate, DTE

 

·         C) clock rate, DCE

 

Which Cisco IOS command is used to display the type of serial cable connected to an interface?

A) show serial cable
B) show cable type
C) show controllers
D) show interfaces

 

·         C) show controllers

 

Which Cisco IOS command is used to display the current IOS version, where it is located, and what the filename is, as well as details about the physical memory installed on the device?

A) show device
B) show controllers
C) show memory
D) show version

 

·         D) show version

 

Ch.16
As the network engineer, you are configuring the Fast Ethernet interface. You have issued the following command to the fa0/0 interface: ip address 200.16.24.1 255.255.255.0. Which of the following must be true before the router can add this information to its routing table? (Choose two.)

A) The interface status codes for the interface must be in the up and up condition.
B) The interface must be administratively turned off.
C) The interface must have the no shutdown command issued.
D) The router must be able to communicate with its neighbor first.

A)   The interface status codes for the interface must be in the up and up condition.

·        

C) The interface must have the no shutdown command issued.

 

You need to configure a default route. Which of the following commands is the correct way to set the default route out of your network?

A) ip route 0.0.0.0.0.0.0.0 172.20.3.2
B) ip route 0.0.0.0 0.0.0.0 172.20.3.2
C) ip route 0.0.0.0 172.20.3.2
D) ip route any 172.20.3.2

 

·         ip route 0.0.0.0 0.0.0.0 172.20.3.2

 

 

What VLAN(s) should devices in the IP subnet be in?

A) Devices in a single VLAN should be in the same IP subnet.
B) Devices in different VLANs should be in separate IP subnets.
C) Devices in a single VLAN should be in separate IP subnets.
D) Devices in different VLANs should be in the same subnet if needed.
E) IP subnet and VLAN placement does not really matter.

A)   Devices in a single VLAN should be in the same IP subnet.

B)    

·        
B) Devices in different VLANs should be in separate IP subnets.

 

 

In what two conditions does a router choose to process a frame? (Choose two.)

A) When the frame isn't marked Discard Eligible
B) When the frame source address is the same as the local address (Layer 2)
C) When the frame has no errors
D) When the frame destination address is the same as the local address (Layer 2)

C)   When the frame has no errors

·        
D) When the frame destination address is the same as the local address (Layer 2)

 

 

What is the process of removing the Layer 2 header and trailer information to reveal the Layer 3 packet?

A) Deencapsulation
B) Encapsulation
C) Encryption
D) Decryption

 

 

A)   Deencapsulation

 

What is the name of the oldest variation of Cisco internal routing logic?

A) Cisco Express Forwarding
B) Process switching
C) Fast switching
D) Quick switching

 

 

B)   Process switching

 

On modern Cisco routers, what is the default version of internal routing logic used?

A) Cisco Express Forwarding
B) Process switching
C) Fast switching
D) Quick switching

 

·         Cisco Express Forwarding

 

What type of route adds the subnet to the routing table of a Cisco device when the ip address command is issued on an interface with a state of Up/Up?

A) Local route
B) Connected route
C) Static route
D) Interface route

 

·         Connected route

 

What type of route adds the host to the routing table of a Cisco device when the ip address command is issued on an interface with a state of Up/Up?

A) Local route
B) Connected route
C) Static route
D) Interface route

 

A)   Local route

 

The __________ configuration creates a subinterface for each VLAN on the trunk and routes all frames associated with each VLAN ID as it comes in or out of the subinterface.

A) MLS
B) CEF
C) ROAS
D) Fast switching

 

B)   ROAS

 

When configuring a trunk between a router and a switch, which command must be configured on the switch to ensure that the trunk comes up? (Choose all that apply.)

A) switchport mode dynamic desirable
B) switchport mode dynamic auto
C) switchport mode access
D) switchport mode trunk

 

C)   switchport mode trunk

 

Which Cisco IOS command is used on a router that is being configured with a ROAS configuration to manage traffic from a specific VLAN?

A) encapsulation dot1q vlan-id
B) encapsulation 802.1q vlan-id
C) dot1q vlan-id
D) dot1q vlan vlan-id

 

 

·         encapsulation dot1q vlan-id

 

Which Cisco IOS command is used on a router that is being configured with a ROAS configuration to manage untagged traffic?

A) encapsulation 802.1q vlan-id native
B) encapsulation dot1q vlan-id native
C) dot1q vlan-id native
D) dot1q native vlan vlan-id

 

·         encapsulation dot1q vlan-id native

 

Which Cisco IOS show command is used to display the VLAN configuration (including native VLAN configuration) of a router?

A) show vlan
B) show ip roas
C) show vlans
D) show interfaces

 

·         show vlans

 

Which Cisco IOS command is used to disable the use of the zero subnet?

A) no subnet-zero
B) ip classless
C) no ip classless
D) no ip subnet-zero

 

 

·         no ip subnet-zero

 

What parameter can be added to the end of a Cisco IOS ip route command to force its inclusion into the routing table, regardless of interface/next-hop status?

A) permanent
B) full
C) Configure the AD to 0
D) Configure the AD to 1

 

A)   permanent