chp 2 static routing Flashcards

1
Q

routers can learn of remote networks by

A
  • manually

- dynamically

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2
Q

static routing advantages

A
  • better security
  • less bandwidth
  • the path used is known
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3
Q

when to use static routes

A
  • small networks
  • routing to and from stub networks
  • connecting to specific network
  • gateway of last resort
  • reduce number of routes
  • creating backup routes
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4
Q

default static route

A
  • matches all packets
  • ip address to which the router sends all packets it does not have a route for
  • all zeros as destination address
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5
Q

summary static route

A
  • summarizes contiguous networks into a single network address
  • all use same exit interface or next hop ip
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6
Q

floating static route

A
  • backup route
  • sits unused until primary link fails
  • takes over for primary link
  • has a higher administrative distance
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7
Q

next hop options

A

-identified by ip address exit interface or both

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8
Q

static route types

A
  • next hop route
  • directly connected static route
  • fully specified static route
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9
Q

next hop route

A

-only the next hop is specified

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10
Q

directly connected static route

A

-only the exit interface is specified

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11
Q

fully specified static route

A
  • next hop ip is specified

- exit interface is specified

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12
Q

static routing disadvantages

A
  • configuration and maintenance is time consuming
  • error prone
  • network changes must be manually updated
  • requires complete knowledge of network
  • not scalable
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13
Q

host routes

A
  • 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
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