Etherchannel, Subnetting, IP Routing, OSPF, EIGRP, NAT Flashcards
Which two statements about EtherChannel technology are true? (Choose two)
A. EtherChannel provides increased bandwidth by bundling existing FastEthernet or Gigabit Ethernet interfaces into a single EtherChannel
B. STP does not block EtherChannel links
C. You can configure multiple EtherChannel links between two switches, using up to a limit of sixteen physical ports
D. EtherChannel does not allow load sharing of traffic among the physical links within the EtherChannel
E. EtherChannel allows redundancy in case one or more links in the EtherChannel fail
A. EtherChannel provides increased bandwidth by bundling existing FastEthernet or Gigabit Ethernet interfaces into a single EtherChannel
E. EtherChannel allows redundancy in case one or more links in the EtherChannel fail
Which mode must be used to configure EtherChannel between two switches without using a negotiation protocol? A. on B. auto C. active D. desirable
A. on
An engineer must configure a /30 subnet between two routers. Which usable IP address and subnet mask combination meets this criteria? A. interface e0/0 description to HQ-A371:10975 ip address 172.16.1.4 255.255.255.248 B. interface e0/0 description to HQ-A371:10975 ip address 10.2.1.3 255.255.255.252 C. interface e0/0 description to HQ-A371:10975 ip address 192.168.1.1 255.255.255.248 D. interface e0/0 description to HQ-A371:10975 ip address 209.165.201.2 255.255.255.252
D. interface e0/0
description to HQ-A371:10975
ip address 209.165.201.2 255.255.255.252
Router(config)#interface GigabitEthernet 1/0/1
Router(config-if)#ip address 192.168.16.143 255.255.255.240
Bad mask /28 for address 192.168.16.143
—
A. It is a broadcast IP address
B. The router does not support /28 mask
C. It belongs to a private IP address range
D. IT is a network IP address
A. It is a broadcast IP address
Which network allows devices to communicate without the need to access the Internet? A. 172.9.0.0/16 B. 172.28.0.0/16 C. 192.0.0.0/8 D. 209.165.201.0/24
B. 172.28.0.0/16
Which statement about static and dynamic routes is true?
A. Dynamic routes are manually configured by a network administrator, while static routes are
automatically learned and adjusted by a routing protocol
B. Static routes are manually configured by a network administrator, while dynamic routes are
automatically learned and adjusted by a routing protocol
C. Static routes tell the router how to forward packets to networks that are not directly connected,
while dynamic routes tell the router how to forward packets to networks that are directly connected
D. Dynamic routes tell the router how to forward packets to networks that are not directly connected,
while static routes tell the router how to forward packets to networks that are directly connected
B. Static routes are manually configured by a network administrator, while dynamic routes are
automatically learned and adjusted by a routing protocol
Which of the following dynamic routing protocols are Distance Vector routing protocols? (Choose two) A. IS-IS B. EIGRP C. OSPF D. BGP E. RIP
B. EIGRP
E. RIP
When a floating static route is configured, which action ensures that the backup route is used when the primary route falls?
A. The floating static route must have a higher administrative distance than the primary route so it is
used as a backup
B. The administrative distance must be higher on the primary route so that the backup route becomes
secondary
C. The floating static route must have a lower administrative distance than the primary route so it is
used as a backup
D. The default-information originate command must be configured for the route to be installed into
the routing table
A. The floating static route must have a higher administrative distance than the primary route so it is
used as a backup
Which attribute does a router use to select the best path when two or more different routes to the
same destination exist from two different routing protocols?
A. dual algorithm
B. metric
C. administrative distance
D. hop count
C. administrative distance
Router A learns the same route from two different neighbors, one of the neighbor routers is an OSPF
neighbor and the other is an EIGRP neighbor. What is the administrative distance of the route that
will be installed in the routing table?
A. 20
B. 90
C. 110
D. 115
B. 90
What is the purpose of the show ip ospf interface command?
A. displaying OSPF-related interface information
B. displaying general information about OSPF routing processes
C. displaying OSPF neighbor information on a per-interface basis
D. displaying OSPF neighbor information on a per-interface-type basis
A. displaying OSPF-related interface information
When OSPF learns multiple paths to a network, how does it select a route?
A. It multiple the active K value by 256 to calculate the route with the lowest metric.
B. For each existing interface, it adds the metric from the source router to the destination to calculate the route with the lowest bandwidth.
C. It divides a reference bandwidth of 100 Mbps by the actual bandwidth of the existing interface to calculate the router with the lowest cost.
D. It count the number of hops between the source router and the destination to determine the router
with the lowest metric
C. It divides a reference bandwidth of 100 Mbps by the actual bandwidth of the existing interface to calculate the router with the lowest cost.
A user configured OSPF and advertised the Gigabit Ethernet interface in OSPF. By default, which type of OSPF network does this interface belong to? A. point-to-multipoint B. point-to-point C. broadcast D. nonbroadcast
C. broadcast
You have configured a router with an OSPF router ID, but its IP address still reflects the physical interface. Which action can you take to correct the problem in the least disruptive way? A. Reload the OSPF process B. Reload the router C. Save the router configuration D. Specify a loopback address
A. Reload the OSPF process
An engineer configured an OSPF neighbor as a designated router. Which state verifies the designated router is in the proper mode? A. Exchange B. 2-way C. Full D. Init
C. Full
A user configured OSPF in a single area between two routers. A serial interface connecting R1 and R2 is running encapsulation PPP. By default which OSPF network type is seen on this interface when the user types show ip ospf interface on R1 or R2? A. point-to-multipoint B. broadcast C. point-to-point D. non-broadcast
C. point-to-point
Refer to the exhibit. The “show ip ospf interface” command has been executed on R1. How is OSPF
configured?
—
Designated Router (ID) 10.11.11.11, Interface address 10.10.10.1
Backup Designated router (ID) 10.3.3.3, Interface address 10.10.10.3
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
oob-resync timeout 40
Hello due in 00:00:08
Supports Link-local Signaling (LLS)
::OMITTED REST::
—
A. The interface is not participating in OSPF
B. A point-to-point network type is configured
C. The default Hello and Dead timers are in use
D. There are six OSPF neighbors on this interface
C. The default Hello and Dead timers are in use
R1 has learned route 192.168.12.0/24 via IS-IS, OSPF, RIP and Internal EIGRP. Under normal operating conditions, which routing protocol is installed in the routing table? A. IS-IS B. RIP C. Internal EIGRP D. OSPF
C. Internal EIGRP
A router running EIGRP has learned the same route from two different paths. Which parameter does the router use to select the best path? A. cost B. administrative distance C. metric D. as-path
C. metric
Which two actions influence the EIGRP route selection process? (Choose two)
A. The router calculates the reported distance by multiplying the delay on the exiting interface by 256
B. The router calculates the best backup path to the destination route and assigns it as the feasible successor
C. The router calculates the feasible distance of all paths to the destination route
D. The advertised distance is calculated by a downstream neighbor to inform the local router of the
bandwidth on the link
E. The router must use the advertised distance as the metric for any given route
B. The router calculates the best backup path to the destination route and assigns it as the feasible successor
C. The router calculates the feasible distance of all paths to the destination route
Which statement about the nature of NAT overload is true?
A. applies a one-to-many relationship to internal IP addresses
B. applies a one-to-one relationship to internal IP addresses
C. applies a many-to-many relationship to internal IP addresses
D. can be configured only on Gigabit interface
A. applies a one-to-many relationship to internal IP addresses
Which keyword in a NAT configuration enables the use of one outside IP address for multiple inside hosts? A. source B. static C. pool D. overload
D. overload
Which type of address is the public IP address of a NAT device? A. outside global B. outside local C. inside global D. inside local E. outside public F. inside public
C. inside global
