200-125 Cisco Certified Network Associate Practice Exam Set 7

Which statement about VLAN operation on Cisco Catalyst switches is true?


Options are :

  • Broadcast and multicast frames are retransmitted to ports that are configured on different VLAN.
  • Ports between switches should be configured in access mode so that VLANs can span across the ports.
  • When a packet is received from an 802.1Q trunk, the VLAN ID can be determined from the source MAC address and the MAC address table.
  • Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN.

Answer : Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN.

Which command enables RSTP on a switch?


Options are :

  • spanning-tree mode rapid-pvst
  • spanning-tree uplinkfast
  • spanning-tree backbonefast
  • spanning-tree mode mst

Answer : spanning-tree mode rapid-pvst

ICND1 100-105 Certification Practice Tests Set 3

Where does routing occur within the DoD TCP/IP reference model?


Options are :

  • application
  • transport
  • internet
  • network

Answer : internet

Which two benefits are provided by creating VLANs? (Choose two.)


Options are :

  • added security
  • provides segmentation
  • dedicated bandwidth
  • allows switches to route traffic between subinterfaces
  • A,C
  • contains collisions

Answer : A,C

For what two purposes does the Ethernet protocol use physical addresses? (Choose two.)


Options are :

  • to allow detection of a remote device when its physical address is unknown
  • A,E
  • to allow communication between different devices on the same network
  • to uniquely identify devices at Layer 2
  • to differentiate a Layer 2 frame from a Layer 3 packet
  • to establish a priority system to determine which device gets to transmit first
  • to allow communication with devices on a different network

Answer : A,E

200-310 Designing for Cisco Inter network Solutions Exam Set 3

Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over Fast Ethernet?


Options are :

  • 802.1Q
  • 802.3ad
  • 802.1D
  • 802.1w

Answer : 802.1Q

What parameter can be different on ports within an EtherChannel?


Options are :

  • duplex
  • speed
  • trunk encapsulation
  • DTP negotiation settings

Answer : DTP negotiation settings

Which of the following describes the roles of devices in a WAN? (Choose three.)


Options are :

  • A CSU/DSU terminates an analog local loop.
  • A router is commonly considered a DCE device.
  • A modem terminates an analog local loop.
  • A modem terminates a digital local loop.
  • A,D,E
  • A router is commonly considered a DTE device.
  • A CSU/DSU terminates a digital local loop.

Answer : A,D,E

200-125 Cisco Certified Network Associate Practice Exam Set 11

Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two.)


Options are :

  • A,D
  • Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.
  • Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
  • The presentation layer translates bits into voltages for transmission across the physical link.
  • The data link layer adds physical source and destination addresses and an FCS to the segment.
  • The transport layer divides a data stream into segments and may add reliability and flow control information.

Answer : A,D

What are two enhancements that OSPFv3 supports over OSPFv2? (Choose two.)


Options are :

  • It supports up to 2 instances of OSPFv3 over a common link.
  • B,D
  • It requires the use of ARP.
  • It routes over links rather than over networks.
  • It can support multiple IPv6 subnets on a single link.

Answer : B,D

A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?


Options are :

  • This is an Ethernet port operating at half duplex.
  • This is a 10 Mb/s switch port.
  • This is a 100 Mb/s switch port.
  • This is a port on a network interface card in a PC.
  • This is an Ethernet port operating at full duplex.

Answer : This is an Ethernet port operating at half duplex.

Cisco Data Center Architecture Set 3

What are three advantages of VLANs? (Choose three.)


Options are :

  • VLANs can greatly simplify adding, moving, or changing hosts on the network.
  • VLANs provide a low-latency internetworking alternative to routed networks.
  • VLANs allow access to network services based on department, not physical location.
  • A,E,F
  • VLANs utilize packet filtering to enhance network security.
  • VLANs establish broadcast domains in switched networks.
  • VLANs provide a method of conserving IP addresses in large networks.

Answer : A,E,F

At which layer of the OSI model is RSTP used to prevent loops?


Options are :

  • network
  • physical
  • transport
  • data link

Answer : data link

A router has two Fast Ethernet interfaces and needs to connect to four VLANs in the local network. How can you accomplish this task, using the fewest physical interfaces and without decreasing network performance?


Options are :

  • Implement a router-on-a-stick configuration.
  • Add a second router to handle the VLAN traffic.
  • Add two more Fast Ethernet interfaces.
  • Use a hub to connect the four VLANS with a Fast Ethernet interface on the router.

Answer : Implement a router-on-a-stick configuration.

200-125 Cisco Certified Network Associate (CCNA) Exam Set 6

Which of the following are benefits of VLANs? (Choose three.)


Options are :

  • They can enhance network security.
  • They simplify switch administration.
  • They increase the size of broadcast domains while decreasing the number of collision domains.
  • B,C,E
  • They increase the number of broadcast domains while decreasing the size of the broadcast domains.
  • They allow logical grouping of users by function.
  • They increase the size of collision domains.

Answer : B,C,E

What are three benefits of implementing VLANs? (Choose three.)


Options are :

  • Broadcast storms can be mitigated by increasing the number of broadcast domains, thus reducing their size.
  • A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure.
  • A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
  • Port-based VLANs increase switch-port use efficiency, thanks to 802.1Q trunks.
  • A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
  • VLANs make it easier for IT staff to configure new logical groups, because the VLANs all belong to the same broadcast domain.
  • Broadcast storms can be mitigated by decreasing the number of broadcast domains, thus increasing their size.
  • A,C,D

Answer : A,C,D

Which two are advantages of static routing when compared to dynamic routing? (Choose two.)


Options are :

  • B,G
  • Routing traffic load is reduced when used in stub network links.
  • Configuration complexity decreases as network size increases.
  • Route summarization is computed automatically by the router.
  • Routing tables adapt automatically to topology changes.
  • An efficient algorithm is used to build routing tables, using automatic updates.
  • Security increases because only the network administrator may change the routing table.
  • Routing updates are automatically sent to neighbors.

Answer : B,G

200-125 CCNA Cisco Certified Network Associate Test Set 3

VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan 3 command in interface configuration mode?


Options are :

  • The command is accepted and you must configure the VLAN manually.
  • The command is rejected.
  • The command is accepted and the respective VLAN is added to vlan.dat.
  • The port turns amber.

Answer : The command is accepted and the respective VLAN is added to vlan.dat.

Why do large OSPF networks use a hierarchical design? (Choose three.)


Options are :

  • to reduce the complexity of router configuration
  • B,C,D
  • to confine network instability to single areas of the network
  • to speed up convergence
  • to reduce routing overhead
  • to lower costs by replacing routers with distribution layer switches
  • to decrease latency by increasing bandwidth

Answer : B,C,D

A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?


Options are :

  • the highest number member interface
  • the lowest number member interface
  • all member interfaces
  • the port-channel 1 interface

Answer : the port-channel 1 interface

300-320 Designing Cisco Network Service Architectures Exam Set 5

What is the difference between a CSU/DSU and a modem?


Options are :

  • A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.
  • A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.
  • A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.
  • A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.

Answer : A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.

Which port state is introduced by Rapid-PVST?


Options are :

  • forwarding
  • discarding
  • learning
  • listening

Answer : discarding

Why will a switch never learn a broadcast address?


Options are :

  • A broadcast address will never be the source address of a frame.
  • A broadcast frame is never forwarded by a switch.
  • Broadcast addresses use an incorrect format for the switching table.
  • Broadcast frames are never sent to switches.
  • Broadcasts only use network layer addressing.

Answer : A broadcast address will never be the source address of a frame.

ICND1 100-105 Certification Practice Tests Set 4

Which three are valid modes for a switch port used as a VLAN trunk? (Choose three.)


Options are :

  • B,C,D
  • blocking
  • forwarding
  • auto
  • desirable
  • on
  • transparent

Answer : B,C,D

Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.0.1?


Options are :

  • 0::/10
  • 2000::/3
  • ::
  • ::1

Answer : ::1

200-125 Cisco Certified Network Associate (CCNA) Exam Set 1

Which three features are added in SNMPv3 over SNMPv2?


Options are :

  • Encryption
  • Error Detection
  • Authentication
  • Message Integrity
  • Compression
  • A,C,D

Answer : A,C,D

What are three approaches that are used when migrating from an IPv4 addressing scheme to an IPv6 scheme. (Choose three.)


Options are :

  • configure IPv6 directly
  • A,C,D
  • configure IPv4 tunnels between IPv6 islands
  • enable dual-stack routing
  • use proxying and translation to translate IPv6 packets into IPv4 packets
  • statically map IPv4 addresses to IPv6 addresses
  • use DHCPv6 to map IPv4 addresses to IPv6 addresses

Answer : A,C,D

The network administrator needs to address seven LANs. RIP version 1 is the only routing protocol in use on the network and subnet 0 is not being used. What is the maximum number of usable IP addresses that can be supported on each LAN if the organization is using one class C address block?


Options are :

  • 8
  • 14
  • 16
  • 32
  • 6
  • 30

Answer : 30

210-065 Implementing Cisco Video Network Devices Exam Set 5

Which IPv6 address is valid?


Options are :

  • 2001:0db8:0000:130F:0000:0000:08GC:140B
  • 2031:0:130F::9C0:876A:130B
  • 2001:0db8:0:130H::87C:140B
  • 2031::130F::9C0:876A:130B

Answer : 2031:0:130F::9C0:876A:130B

You are working in a data center environment and are assigned the address range 10.188.31.0/23. You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each. Which IP address range meets these requirements?


Options are :

  • 10.188.31.0/25
  • 10.188.31.0/26
  • 10.188.31.0/28
  • 10.188.31.0/29
  • 10.188.31.0/27

Answer : 10.188.31.0/27

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