Exam part 3
A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3? It allows load balancing between routers. VRRPv3 is Cisco proprietary. It supports IPv6 and IPv4 addressing. It works together with HSRP.
It supports IPv6 and IPv4 addressing.
Which three pieces of information does a link-state routing protocol use initially as link-state information for locally connected links? (Choose three.) the link router interface IP address and subnet mask the type of network link the link next-hop IP address the link bandwidth the cost of that link
the link router interface IP address and subnet mask* the type of network link* the cost of that link*
Which two statements are correct about EIGRP acknowledgment packets? (Choose two.) The packets are used to discover neighbors that are connected on an interface. The packets are sent as unicast. The packets require confirmation. The packets are unreliable. The packets are sent in response to hello packets.
The packets are sent as unicast. The packets are unreliable.
What information is contained in OSPF type 3 LSAs? networks reachable in other areas networks learned from other routing protocols the router ID of the DR to all routers in the area the router ID of an ASBR and the route to reach it
networks reachable in other areas
What type of packets are sent when there is a change in the EIGRP topology? hello triggered bounded update* acknowledge reply
triggered bounded update
By default, how many equal cost routes to the same destination can be installed in the routing table of a Cisco router? 2 4 16 32
4
A set of switches is being connected in a LAN topology. Which STP bridge priority value will make it least likely for the switch to be selected as the root? 61440 4096 65535 32768
61440
What does the cost of an OSPF link indicate? A higher cost for an OSPF link indicates a faster path to the destination. Link cost indicates a proportion of the accumulated value of the route to the destination. Cost equals bandwidth. A lower cost indicates a better path to the destination than a higher cost does.
A lower cost indicates a better path to the destination than a higher cost does.
What routing protocol can be configured to load balance across paths with unequal metrics through the use of the variance command? EIGRP OSPF OSPFv3 RIPng
EIGRP
Which two addresses represent valid destination addresses for an OSPFv3 message? (Choose two.) FF02::5 224.0.0.5FF02::A FE80::42 2001:db8:acad:1::1
FF02::5 FE80::42
A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP? HSRP uses active and standby routers. It uses ICMP messages in order to assign the default gateway to hosts. It allows load balancing between a group of redundant routers. HSRP is nonproprietary.
HSRP uses active and standby routers.
In an OSPFv2 configuration, what is the effect of entering the command network 192.168.1.1 0.0.0.0 area 0? It changes the router ID of the router to 192.168.1.1. It enables OSPF on all interfaces on the router. It tells the router which interface to turn on for the OSPF routing process. It allows all 192.168.1.0 networks to be advertised.
It tells the router which interface to turn on for the OSPF routing process.
A router is participating in an OSPFv2 domain. What will always happen if the dead interval expires before the router receives a hello packet from an adjacent DROTHER OSPF router? OSPF will run a new DR/BDR election. SPF will run and determine which neighbor router is "down". A new dead interval timer of 4 times the hello interval will start. OSPF will remove that neighbor from the router link-state database.
OSPF will remove that neighbor from the router link-state database.
Refer to the exhibit. A network administrator is reviewing the configuration of switch S1. Which protocol has been implemented to group multiple physical ports into one logical link? PAgP DTP LACP STP
PAgP
What are two features of a link-state routing protocol? (Choose two.) Routers send periodic updates only to neighboring routers. Routers send triggered updates in response to a change. Routers create a topology of the network by using information from other routers. The database information for each router is obtained from the same source. Paths are chosen based on the lowest number of hops to the designated router.
Routers send triggered updates in response to a change.* Routers create a topology of the network by using information from other routers.*
Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic? SW1: on SW2: on SW1: desirable SW2: desirable SW1: auto SW2: auto PortFast enabled on both switches SW1: auto SW2: auto trunking enabled on both switches SW1: passive
SW1: on SW2: on
A network administrator has configured an EtherChannel between two switches that are connected via four trunk links. If the physical interface for one of the trunk links changes to a down state, what happens to the EtherChannel? Spanning Tree Protocol will transition the failed physical interface into forwarding mode. Spanning Tree Protocol will recalculate the remaining trunk links. The EtherChannel will transition to a down state. The EtherChannel will remain functional.
The EtherChannel will remain functional.
An EIGRP router loses the route to a network. Its topology table contains two feasible successors to the same network. What action will the router take? The best alternative backup route is immediately inserted into the routing table. The router will query neighbors for an alternate route. The DUAL algorithm is recomputed to find an alternate route. The router uses the default route.
The best alternative backup route is immediately inserted into the routing table.
Which statement describes a characteristic of OSPF external routes? The cost of a type 1 route is always the external cost, regardless of the interior cost to reach that route. The difference between type 1 and type 2 is in the way the cost of the route is being calculated. A type 2 route is always preferred over a type 1 route for the same destination. Type 1 and type 2 external routes in IPv4 networks are represented in the routing table by EX1 and EX2, respectively.
The difference between type 1 and type 2 is in the way the cost of the route is being calculated.
What is the term used to describe a network topology where the subnets from a major classful network address space are separated from each other by addresses from a different major classful network address? multihomed network converged network discontiguous network data network
discontiguous network
What are three features of EIGRP? (Choose three.) uses the Shortest Path First algorithm establishes neighbor adjacencies uses the Reliable Transport Protocol sends full routing table updates periodically broadcasts updates to all EIGRP routers supports equal and unequal cost load balancing
establishes neighbor adjacencies* uses the Reliable Transport Protocol* supports equal and unequal cost load balancing*
What indicates to a link-state router that a neighbor is unreachable? if the router no longer receives routing updates if the router no longer receives hello packets* if the router receives an update with a hop count of 16 if the router receives an LSP with previously learned information
if the router no longer receives hello packets
Which command should be used to configure EIGRP to only advertise the network that is attached to the gigabit Ethernet 0/1 interface? network 172.16.23.64 0.0.0.63* network 172.16.23.0 255.255.255.192 network 172.16.23.64 0.0.0.127 network 172.16.23.0 255.255.255.128
network 172.16.23.64 0.0.0.63*
What capability do protocol-dependent modules provide to the EIGRP routing protocol? route different Layer 3 protocols exchange summary routes between areas combine routes learned from different protocols into a single routing table load balance between routing protocols
route different Layer 3 protocols
Which command will configure an IPv6 default static route? router(config)# ipv6 ::/64 s0/0/0 router(config-rtr)# redistribute static router(config)# ipv6 route ::/0 s0/0/0 router(config)# ipv6 unicast-routing
router(config)# ipv6 route ::/0 s0/0/0