Question: The ________ property contains a numeric value, which indicates the control’s position in the tab order.

Answer Choices:
TabIndex
FocusIndex
OrderIndex
IndexValue

Answer: TabIndex

 

Question: The most popular interior routing protocol is:

Answer Choices:
Border gateway protocol (BGP)
Open shortest path first protocol (OSPF)
Dynamic host control protocol (DHCP)
Address resolution protocol (ARP)

Answer: Open shortest path first protocol (OSPF)

 

Question: To reduce broadcasts in a LAN, the most suitable device is a:

Answer Choices:
Cat5 cable
Switch
Hub
Router

Answer: Switch

 

Question: All of the following are advantages of route aggregation, except:

Answer Choices:
It can simplify network administration
It reduces the number of hops required to reach a destination

Answer: It reduces the number of hops required to reach a destination

 

Question: The basic unit of Internet routing is:

Answer Choices:
A switch
A router
An autonomous system
A host

Answer: A router

 

Question: UDP can be useful for all cases except:

Answer Choices:
Ordered and reliable delivery is required for an application.
Small quantities of data are to be transferred.
Large quantities of data are to be transferred.
Ordered and reliable delivery is not necessary for an application.

Answer: Ordered and reliable delivery is required for an application.

 

Question: SDN is useful for

Answer Choices:
Home networking
End user connectivity
Data center operations
Internet service providers

Answer: All of the above

 

Question: If two /16 IP address blocks are aggregated, the aggregated block will be a:

Answer Choices:
/17 address block
/16 address block
/14 address block
/15 address block

Answer: /14 address block

 

Question: An autonomous system is:

Answer Choices:
A collection of end users
A collection of switches
A collection of routers under one administrative entity
Another name for a router

Answer: A collection of routers under one administrative entity

 

Question: SDN is useful for:

Answer Choices:
Home networking
End user connectivity
Data center operations
Internet service providers

Answer: Data center operations

 

Question: A(n) ________ specifies how a class member can be accessed by code outside the class.

Answer Choices:
variable name
access modifier
namespace
class name

Answer: access modifier