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Networking 2

Ryan Engman Computer Science Inglés 52 fichas

Fichas del conjunto (52)

  1. 1What are three primary benefits of using VLANs?Security
    Const Reduction
    Improved It Staff Efficiency
  2. 2A network administrator is determining the best placement of VLAN trunk links. Which two types of point-to-point connections utilize VLAN trunking?Between two switches that utilize multiple multiple vlans
    between a switch and a server that has an 802.1Q NIC
  3. 3A Cisco switch currently allows traffic tagged with VLANs 10 and 20 across trunk port Fa0/5. What is the effect of issuing a switchport trunk allowed vlan 30 command on Fa0/5?It allows only VLAN 30 on Fa0/5.
  4. 4What is a characteristic of legacy (non-trunked) inter-VLAN routing?The router requires one Ethernet link for each VLAN.
  5. 5When configuring a router as part of a router-on-a-stick inter-VLAN routing topology, where should the IP address be assigned?to the subinterface
  6. 6When configuring a Layer 3 switch to route VLANs what must be configured and assigned IP addresses?the SVI
  7. 7What command will display the existing VLAN on a switch as well as display what ports are associated with those VLANs?(show vlan, show vlan brief
  8. 8What must the network administrator do to remove Fast Ethernet port fa0/1 from VLAN 2 and assign it to VLAN 3?Enter the switchport access vlan 3 command in interface configuration mode.
  9. 9Which command is used to remove only VLAN 20 from a switch?no vlan 20
  10. 10What is the outcome of a Layer 2 broadcast storm?New traffic is discarded by the switch because it is unable to be processed.
  11. 11What is the purpose of the Spanning Tree Protocol (STP)?prevents Layer 2 loops
  12. 12What is a characteristic of a Layer 2 loop?Broadcast frames are forwarded back to the sending switch.
  13. 13Which Cisco switch feature ensures that configured switch edge ports do not cause Layer 2 loops if a port is mistakenly connected to another switch?BPDU guard
  14. 14If no bridge priority is configured in PVST, which criteria is considered when electing the root bridge?lowest MAC address
  15. 15Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?Use the console port to locally access the switch from a serial or USB interface of the PC.
  16. 16How does the service password-encryption command enhance password security on Cisco routers and switches?It encrypts passwords that are stored in router or switch configuration files.
  17. 17Which interface allows remote management of a Layer 2 switch?the switch virtual interface
  18. 18Which three advantages are provided by static routing?Static routing is more secure because it does not advertise over the network.
    Static routing uses fewer router resources than dynamic routing.
    The path a static route uses to send data is known.
  19. 19What are two functions of dynamic routing protocols?to discover the network
    to maintain routing tables
  20. 20Which value in a routing table represents trustworthiness and is used by the router to determine which route to install into the routing table when there are multiple routes toward the same destination?administrative distance
  21. 21What is the correct syntax of a floating static (backup) route?ip route 209.165.200.228 255.255.255.248 10.0.0.1 120
  22. 22Which route would be used to forward a packet with a source IP address of 192.168.10.1 and a destination IP address of 10.1.1.1?O 10.1.1.0/24 [110/65] via 192.168.200.2, 00:01:20, Serial0/1/0
  23. 23What happens to the routing table when the outgoing interface associated with a route goes into the down state?The route is removed from the routing table.
  24. 24A host on the 10.10.100.0/24 LAN is not being assigned an IPv4 address by an enterprise DHCP server with the address 10.10.200.10/24. What is the best way for the network engineer to resolve this problem?Issue the command ip helper-address 10.10.200.10 on the router interface that is the 10.10.100.0/24 gateway.
  25. 25Which set of commands will configure a router as a DHCP server that will assign IPv4 addresses to the 192.168.100.0/23 LAN while reserving the first 10 and the last addresses for static assignment?p dhcp excluded-address 192.168.100.1 192.168.100.10
    ip dhcp excluded-address 192.168.101.254
    ip dhcp pool LAN-POOL-100
    network 192.168.100.0 255.255.254.0
    ip default-gateway 192.168.100.1
  26. 26When configuring RIP, what is the purpose of the passive-interface command?allows a router to receive routing updates on an interface but not send updates via that interface
  27. 27What is a purpose of the network command when configuring RIPv2 as the routing protocol?It is used to advertise the directly connected networks of a router and enables RIP on those interfaces that belong to the specified network.
  28. 28A network administrator configures a static route on the edge router of a network to assign a gateway of last resort. How would a network administrator configure the edge router to automatically share this route within RIP?Use the default-information originate command.
  29. 29Which two statements accurately describe an advantage or a disadvantage when deploying NAT for IPv4 in a network?NAT provides a solution to slow down the IPv4 address depletion.
    NAT introduces problems for some applications that require end-to-end connectivity.
  30. 30A network administrator wants to examine the active NAT translations on a border router. Which command would perform the task?show ip nat translations
  31. 31What are two tasks to perform when configuring static NAT?Identify the participating interfaces as inside or outside interfaces.
    Create a mapping between the inside local and outside local addresses.
  32. 32What is a disadvantage of NATThere is no end-to-end addressing.
  33. 33Which three metric weights are set to zero by default when costs in EIGRP are being calculated?k2, k4, k5
  34. 34What information does EIGRP maintain within the routing tableonly successors
  35. 35There are three possible routes for a router to reach a destination network. The first route is from OSPF with a metric of 782. The second route is from RIPv2 with a metric of 4. The third is from EIGRP with a composite metric of 20514560. Which route will be installed by the router in its routing table?EIGRP
  36. 36Which of the following describe the process identifier that is used to run OSPF on a router?It is needed to identify a unique instance of an OSPF database.
    It is locally significant.
  37. 37An administrator issues the router eigrp 100 command on a router. What is the number 100 used for?as the autonomous system number
  38. 38Which of the following are scalability issues with single-area OSPF networks?Recalculation of the OSPF database
    Size of the OSPF database
    Size of the routing table
  39. 39What is the default cost of a Fast Ethernet interface configured with OSPF?1
  40. 40In OSPF, Hellos are sent to what IP address?224.0.0.5
  41. 41Which OSPF component is identical in all routers in an OSPF area after convergence?link-state database
  42. 42What two factors are added to calculate the overall cost of a route in EIGRP?The calculated distance to the neighbor router.
    The reported distance from the neighbor.
  43. 43All of the following must match for two OSPF routers to become neighborsArea ID
    Stub area flag
    Authentication password if using one
  44. 44Which command should be used to check the OSPF process ID, the router ID, networks the router is advertising, the neighbors the router is receiving updates from, and the default administrative distance?show ip protocols
  45. 45What are two reasons that will prevent two routers from forming an OSPFv2 adjacency?mismatched OSPF Hello or Dead timers
    mismatched subnet masks on the link interfaces
  46. 46Which table is used by EIGRP to store all routes that are learned from EIGRP neighbors?the topology table
  47. 47What are the two other other factors, besides bandwidth and delay, that can be calculated as part of DUAL in EIGRP if the k values are adjusted from their default values.reliability
    load
  48. 48A new network administrator has been asked to verify the metrics that are used by EIGRP on a Cisco device. By default, which two EIGRP metrics are measured by using static values on a Cisco device?bandwidth
    delay
  49. 49Why would a network administrator use a wildcard mask in the network command when configuring a router to use EIGRP?to exclude some interfaces from the EIGRP process
  50. 50What will an OSPF router prefer to use first as a router ID?any IP address that is configured using the router-id command
  51. 51The bandwidth metric is the real time measured speed of the given link. T or FFalse
  52. 52When will EIGRP store a feasible successor in the topology table?When the reported distance in less that the successor's total distance.

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Computer Science Fichas sobre Networking 2, creado por Ryan Engman el 07/12/2022.
Creado por
Ryan Engman
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  • Creado por Ryan Engman · 7 dic 2022
  • Copiado por Ryan Engman · 7 dic 2022
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