chp 2 static routing

Question 1

routers can learn of remote networks by

Answer 1

• manually

- dynamically

Question 2

static routing advantages

Answer 2

• better security
• less bandwidth
• the path used is known

Question 3

when to use static routes

Answer 3

• small networks
• routing to and from stub networks
• connecting to specific network
• gateway of last resort
• reduce number of routes
• creating backup routes

Question 4

default static route

Answer 4

• matches all packets
• ip address to which the router sends all packets it does not have a route for
• all zeros as destination address

Question 5

summary static route

Answer 5

• summarizes contiguous networks into a single network address
• all use same exit interface or next hop ip

Question 6

floating static route

Answer 6

• backup route
• sits unused until primary link fails
• takes over for primary link
• has a higher administrative distance

Question 7

next hop options

Answer 7

-identified by ip address exit interface or both

Question 8

static route types

Answer 8

• next hop route
• directly connected static route
• fully specified static route

Question 9

next hop route

Answer 9

-only the next hop is specified

Question 10

directly connected static route

Answer 10

-only the exit interface is specified

Question 11

fully specified static route

Answer 11

• next hop ip is specified

- exit interface is specified

Question 12

static routing disadvantages

Answer 12

• configuration and maintenance is time consuming
• error prone
• network changes must be manually updated
• requires complete knowledge of network
• not scalable

Question 13

host routes

Answer 13

• automaticall installed when an ip address is configured on router
• marked with L in routing table
• ipv4 address with 32bit mask
• ipv6 address with 128bit mask