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- 1. Multiple Choice
A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782. The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?
the RIPv2 route
all three routes
the OSPF and RIPv2 routes
the OSPF route
the EIGRP route
- 2. Multiple Choice
If host Z needs to send data through router R1 to a storage server, which destination MAC address does host Z use to transmit packets?
the host Z MAC address
the MAC address of the interface on R1 that connects to the storage server
the MAC address of the interface on R1 that connects to host Z
the MAC address of the storage server interface
- 3. Multiple Choice
Which routing protocol has the smallest default administrative distance?
IBGP
OSPF
IS-IS
EIGRP
RIP
- 4. Multiple Choice
Which component of a routing table entry represents the subnet mask?
routing protocol code
prefix length
metric
network mask
- 5. Multiple Choice
When a router makes a routing decision for a packet that is received from one network and destined to another, which portion of the packet does if replace?
Layer 2 frame header and trailer
Layer 3 IP address
Layer 5 session
Layer 4 protocol
- 6. Multiple Choice
Which statement about routing protocols is true?
Link-state routing protocols choose a path by the number of hops to the destination.
OSPF is a link-state routing protocol.
Distance-vector routing protocols use the Shortest Path First algorithm.
IS-IS is a distance-vector routing protocol.
- 7. Multiple Choice
Which dynamic routing protocol uses only the hop count to determine the best path to a destination?
IGRP
RIP
EIGRP
OSPF
- 8. Multiple Choice
Which value is indicated by the next hop in a routing table?
preference of the route source
IP address of the remote router for forwarding the packets
how the route was learned
exit interface IP address for forwarding the packets
- 9. Multiple Choice
Which component of the routing table ranks routing protocols according to their preferences?
administrative distance
next hop
metric
routing protocol code
- 10. Multiple Choice
Which route source code represents the routing protocol with a default administrative distance of 90 in the routing table?
S
E
D
R
O
- 11. Multiple Choice
How does a router handle an incoming packet whose destination network is missing from the routing table?
It broadcast the packet to each interface on the router
It discards the packet
It broadcasts the packet to each network on the router
It routes the packet to the default route
- 12. Multiple Choice
Which path does a router choose when it receives a packet with multiple possible paths to the destination over different routing protocols?
the path with both the lowest administrative distance and the highest metric
the path with the lowest administrative distance
the path with the lowest metric
the path with both the lowest administrative distance and lowest metric
- 13. Multiple Choice
If a route is not present in the routing table for a particular destination, what would the router do?
Default route
Flood
Drop
- 14. Multiple Choice
When a device learns multiple routes to a specific network, it installs the route with?
longest bit match (highest subnet mask)
lowest AD
lowest metric
equal load balancing
- 15. Multiple Choice
When a router is unable to find a known route in the routing table, how does it handle the packet?
It discards the packet
It sends the packet over the route with the best metric
It sends the packet to the next hop address
It sends the packet to the gateway of last resort
- 16. Multiple Choice
If router R1 knows a static route to a destination network and then learns about the same destination network through a dynamic routing protocol, how does R1 respond?
It refuses to advertise the dynamic route to other neighbors
It sends a withdrawal signal to the neighboring router
It disables the routing protocol
It prefers the static route
- 17. Multiple Choice
Which of the following is NOT a way that a router can learn about a remote network?
Directly connected networks
Dynamically, with a routing protocol
Manually, with static routes
Using information from a USB stick
SHOW ANSWER
- 18. Multiple Choice
One advantage of static routing is
It uses less CPU than dynamic routing
It is set up with no human intervention
It uses more bandwidth than dynamic routing
It can find all the remote networks in the Internet
- 19. Multiple Choice
One disadvantage of static routing is
It is error-prone because humans enter the data
It reacts more quickly to network changes than dynamic routing
It uses more bandwidth than dynamic routing
It stops PCs from working
- 20. Multiple Choice
One place where static routing is used is
on a router connected to a stub network
on an Access switch
on a router in the core of the Internet
on a Core switch
- 21. Multiple Choice
The Cisco command to set up a static route is
ip route <network> <mask> <exit interface>
ip route <network>
static route <network> <mask> <exit interface>
add static <network> <netmask>
- 22. Multiple Choice
To verify that you have entered a correct static route, you would use the Cisco command
show ip route
show ip static
show static route
show static entries
- 23. Multiple Choice
Instead of the exit interface in a static route, you can specify
the IP address of the next router
the IP address of Google
the MAC address of the next router
the domain name of the next router
- 24. Multiple Choice
For a default route, the network is always specified as
0.0.0.0
255.255.255.0
255.255.255.255
default
- 25. Multiple Choice
For a default route, the netmask is always specified as
0.0.0.0
255.255.255.0
255.255.255.255
no netmask is needed
- 26. Multiple Choice
What does “ip route 5.6.7.0 255.255.255.0 s0/0/1” mean?
Send packets for 5.6.7.0 /24 out on interface s0/0/1
Send all packets to s0/0/1
Send packets to 255.255.255.0 to router 5.6.7.0
None of the other answers
- 27. Multiple Choice
The command output shows two routes from the longer output of the show ipv6 route command. Which answers are true about the output?
The route to ::/0 is added because of an ipv6 address interface subcommand.
The administrative distance of the route to 2001:DB8:2:2::/64 is 1.
The route to 2001:DB8:2:2::/64 is added because of an IPv6 routing protocol.
The route to ::/0 is added because of an ipv6 route global command.
- 28. Multiple Choice
A router has been configured with the ipv6 address 3111:1:1:1::1/64 command on its G0/1 interface and ipv6 address 3222:2:2:2::1/64 on its G0/2 interface. Both interfaces are working. Which of the following routes would you expect to see in the output of the show ipv6 route connected command? (Choose two answers.)
A route for 3111:1:1:1::1/64
A route for 3222:2:2:2::2/128
A route for 3111:1:1:1::/64
A route for 3222:2:2:2::/64
- 29. Multiple Choice
An engineer needs to add a static IPv6 route for prefix 2000:1:2:3::/64 to Router R5 in the figure shown. Which of the following answers shows a valid static IPv6 route for that subnet on Router R5?
ipv6 route 2000:1:2:3::/64 2000:1:2:56::6
ipv6 route 2000:1:2:3::/64 2000:1:2:56::5
ipv6 route 2000:1:2:3::/64 FE80::FF:FE00:6
ipv6 route 2000:1:2:3::/64 FE80::FF:FE00:5
- 30. Multiple Choice
An engineer needs to add a static IPv6 route for prefix 2000:1:2:3::/64 to Router R5’s configuration in the figure shown. Which of the following answers shows a valid static IPv6 route for that subnet, on Router R5?
ipv6 route 2000:1:2:3::/64 S0/1/0
ip route 2000:1:2:3::/64 S0/1/0
ip route 2000:1:2:3::/64 S0/1/1
ipv6 route 2000:1:2:3::/64 S0/1/1
- 31. Multiple Choice
What value is used in an IPv6 route that indicates all traffic and is used in default routes?
0/0
::/0
0:0:0:0:0:0:0:0/128
/0
- 32. Multiple Choice
Examine the output shown in the exhibit. What is true about the number 1 shown in brackets?
It is the metric.
It is the administrative distance.
It is the order of analysis for a routing decision.
It is the hop count.
- 33. Multiple Choice
An engineer types the command ipv6 route 2001:DB8:8:8::/64 2001:DB8:9:9::9 129 in configuration mode of Router R1 and presses Enter. Later, a show ipv6 route command does not list any route for subnet 2001:DB8:8:8::/64. Which of the following could have caused the route to not be in the IPv6 routing table?
The router has no routes that match 2001:DB8:9:9::9.
The command should be using a next-hop link-local address instead of a global unicast.
A route for 2001:DB8:8:8::/64 with administrative distance 110 already exists.
The command is missing an outgoing interface parameter, so IOS rejected the ipv6 route command.
- 34. Multiple Choice
Which Cisco IOS command would correctly route traffic destined for the 8163:bc23:4632:ac23::/64 network using the fe80::1234:7484:26b4:2362 next hop address out the GigabitEthernet0/1 interface?
ipv6 route 8163:bc23:4632:ac23:/64 Gi0/1 link-local fe80::1234:7484:26b4:2362
ipv6 route 8163:bc23:4632:ac23::/64 fe80::1234:7484:26b4:2362
ip route v6 8163:bc23:4632:ac23::/64 Gi0/1 fe80::1234:7484:26b4:2362
ipv6 route 8163:bc23:4632:ac23::/64 Gi0/1 fe80::1234:7484:26b4:2362
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