Question: Which of the following methodologies might be most appropriate if you have a system project with clear requirements; very familiar technologies; not all that complex; reasonably reliable; a short time schedule and the schedule visibility is somewhat important?

Answer Options:

Waterfall
Parallel
Iterative
System prototyping
Throwaway prototyping

Answer: Parallel

 

Question: Non-routable addresses are also called

Answer Options:

Public addresses
RFC 1918 addresses
Experimental addresses
Hobby addresses

Answer: RFC 1918 addresses

 

Question: When NAT is used in home networks, RFC 1918 addresses can be reused in neighboring homes

Answer Options:

True
False

Answer: True

 

Question: Two devices from the same home send connection requests to the same web page. To distinguish between these requests, we can use

Answer Options:

Source IP and MAC addresses
Source IP and port addresses
Source IP address and sequence number
Require change in initiating sequence number

Answer: Source IP and port addresses

 

Question: Address resolution protocol (ARP) is used to

Answer Options:

Automate the allocation of IP addresses
Discover the IP address of a host whose MAC address is known
Discover the MAC address of a host whose IP address is known
Define non-routable IP addresses

Answer: Discover the MAC address of a host whose IP address is known

 

Question: _________ authoritatively know(s) the name to IP address mapping of all domain names ending in ‘.com’ (such as www.wufoo.com, news.google.com)

Answer Options:

No single name server
The root name servers
The ‘.com’ name servers
The ‘.edu’ name server

Answer: The ‘.com’ name servers

 

Question: In a typical home network, the router also acts as the

Answer Options:

DNS server
DHCP server
NAT device
All of the above

Answer: All of the above

 

Question: Network address translation is the method of

Answer Options:

Allocating IP addresses automatically
Mapping IP address from one address block to another address block
Translating host names to IP addresses
Allocating IP address blocks to ISPs

Answer: Mapping IP address from one address block to another address block

 

Question: Non-routable addresses are useful because

Answer Options:

They enable IP address reuse
They enable automatic assignment of IP addresses
They enable translation of host names to IP addresses
They are reserved for academic use

Answer: They enable IP address reuse

 

Question: In a typical home network, all computers in the home are assigned IP addresses

Answer Options:

From the RFC 1918 address pool
From the ISP’s allocated address pool

Answer: From the RFC 1918 address pool

 

Question: In most networks, hosts are assigned IP addresses

Answer Options:

Using DHCP
Manually
Using DNS
Using NAT

Answer: Using DHCP

 

Question: A routing table is a table stored in a router which keeps track of

Answer Options:

All known paths to neighboring networks
The best paths to neighboring networks
All known paths to destination networks
The best paths to destination networks

Answer: The best paths to destination networks

 

Question: SDN is useful for

Answer Options:

End user connectivity
Data center operations
Internet service providers
Home networking

Answer: Data center operations

 

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

Answer Options:

/14 address block
/15 address block
/16 address block
/17 address block

Answer: /15 address block

 

Question: In interior routing protocols, routers typically exchange routing information with

Answer Options:

Only the neighboring routers
Only routers outside the network
All routers on the same network
None of the above

Answer: Only the neighboring routers

 

Question: Compared to routers, switches typically cannot

Answer Options:

Locate the destination host on the network
Transfer data
Select the correct path from multiple available paths
Handle broadcasts

Answer: Select the correct path from multiple available paths

 

Question: Route aggregation

Answer Options:

Deletes unused destination addresses from the routing table
Increases the size of routing tables
Slows down routing
Combines multiple smaller IP address blocks into one larger IP address block

Answer: Combines multiple smaller IP address blocks into one larger IP address block