Ispring CCENT

Which IP addresses are valid for hosts belonging to the 10.1.160.0/20 subnet? (Choose three.)

10.1.168.0 10.1.174.255 10.1.160.255

As packets travel from Mary to Robert which three devices will use the destination MAC address of the packet to determine a forwarding path? (Choose three.)

Switch1 Switch2 Switch3

Refer to the exhibit. A problem with network connectivity has been observed. It is suspected that the cable connected to switch port Fa0:9 on Switch1 is disconnected. What would be an effect of this cable being disconnected?

For less than a minute, Host B would not be able to access the server in VLAN9. Then normal network function would resume.

An administrator must assign static IP addresses to the servers in a network. For network 192.168.20.24/29 the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP properties box for the sales server?

IP address: 192.168.20.30 Subnet Mask: 255.255.255.248 Default Gateway: 192.168.20.25

What is the subnet address for the IP address 172.19.20.23/28?

172.19.20.16

Which of the following IP addresses are valid Class B host addresses if a default Class B mask is in use? (Choose two.)

133.6.5.4 190.6.5.4

Refer to the exhibit. All devices attached to the network are shown. How many collision domains are present in this network?

15

Refer to the exhibit. Which default gateway address should be assigned to HostA?

192.168.1.65

What is the network address for the host with IP address 192.168.23.61/28?

192.168.23.48

Given a Class C IP address subnetted with a :30 subnet mask how many valid host IP addresses are available on each of the subnets?

2

Refer to the exhibit. The network is converged. After link-state advertisements are received from RouterA what information will RouterE contain in its routing table for the subnets 208.149.23.64 and 208.149.23.96?

208.149.23.64[110/13] via 190.173.23.10 00:00:07 FastEthemet0/0 208.149.23.96[110/13] via 190.173.23.10 00:00:16 FastEthemet0/0

Refer to the exhibit. The enterprise has decided to use the network address 172.16.0.0. The network administrator needs to design a classful addressing scheme to accommodate the three subnets with 30 40 and 50 hosts as shown. What subnet mask would accommodate this network?

255.255.255.192

How many simultaneous Telnet sessions does a Cisco router support by default?

5

What is the bandwidth on the WAN interface of Router 1?

512 Kbit:sec

How many addresses will be available for dynamic NAT translation when a router is configured with the following commands? Router(config)#ip nat pool TAME 209.165.201.23 209.165.201.30 netmask 255.255.255.224 Router(config)#ip nat inside source list 9 pool TAME

8

Identify the four valid IPv6 addresses. (Choose four.)

:: ::192:168:0:1 2002:c0a8:101::42 2003:dead:beef:4dad:23:46:bb:101

A network administrator is connecting PC hosts A and B directly through their Ethernet interfaces as shown in the graphic. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts? (Choose two.)

A crossover cable should be used in place of the straight-through cable. The subnet masks should be set to 255.255.255.0

On which type of device is every port in the same collision domain?

A hub

What does the "Inside Global" address represent in the configuration of NAT?

A registered address that represents an inside host to an outside network

Which device allows users to connect to the network using a single or double radio?

Access point

What is the purpose of assigning an IP address to a switch?

Allows remote management of the switch

What is one requirement for interfaces to run IPv6?

An IPv6 address must be configured on the interface.

Refer to the exhibit. Assume that all router interfaces are operational and correctly configured. In addition assume that OSPF has been correctly configured on router R2. How will the default route configured on R1 affect the operation of R2?

Any packet destined for a network that is not referenced in the routing table of router R2 will be directed to R1. R1 will then send that packet back to R2 and a routing loop will occur.

Which statement about IPv6 is true?

Broadcasts have been eliminated and replaced with multicasts.

Which statements accurately describe CDP? (Choose three.)

CDP is a Cisco proprietary protocol. CDP is a datalink layer protocol. CDP can discover directly connected neighboring Cisco devices.

Refer to the exhibit. A network administrator has configured a Catalyst 2950 switch for remote management by pasting into the console the configuration commands that are shown in the exhibit. However a Telnet session cannot be successfully established from a remote host. What should be done to fix this problem?

Change the fifth line to ip default-gateway 192.168.17.241.

A company has placed a networked PC in a lobby so guests can have access to the corporate directory. A security concern is that someone will disconnect the directory PC and re-connect their laptop computer and have access to the corporate network. For the port servicing the lobby which three configuration steps should be performed on the switch to prevent this? (Choose three.)

Enable port security. Create the port as an access port. Statically assign the MAC address to the address table.

Refer to the exhibit. The two routers have had their startup configurations cleared and have been restarted. At a minimum what must the administrator do to enable CDP to exchange information between R1 and R2?

Enter no shutdown commands on the R1 and R2 fa0/1 interfaces.

Refer to the exhibit. The DHCP settings have recently been changed on the DHCP server and the client is no longer able to reach network resources. What should be done to correct this situation?

Issue the ipconfg command with the :release and :renew optons in a command window.

What is the purpose of the switchport command? Switch(config-if)# switchport port-security maximum 1 Switch(config-if)# switchport port-security mac-address 0018.DE8B.4BF8

It ensures that only the device with the MAC address 0018.DE8B.4BF8 will be able to connect to the port that is being configured.

Which statement about a router on a stick is true?

It uses multiple sub-interfaces of a single interface to encapsulate traffic for different VLANs.

Refer to the exhibit. Which option describes how SwitchA will handle the frame just received?

It will food the frame out of all the ports except Fa0/3.

In the configuration of NAT what does the keyword overload signify?

Multiple internal hosts will use one IP address to access external network resources.

The network manager has requested a 300-workstaton expansion of the network. The workstations are to be installed in a single broadcast domain but each workstation must have its own collision domain. The expansion is to be as cost-effective as possible while still meeting the requirements. Which three items will adequately fulfil the request? (Choose three).

One IP subnet with a mask of 255.255.254.0 Seven 48-port switches One router interface

Refer to the exhibit. After the power-on-self test (POST)e the system LED of a Cisco 2950 switch turns amber. What is the status of the switch?.

POST failed and there is a problem that prevents the operating system from being loaded.

To allow or prevent load balancing to network 172.16.3.0:24e which of the following commands could be used in R2? (Choose two.)

R2(config-if)#bandwidth R2(config-if)#ip ospf cost

Refer to the exhibit. For security reasons information about RTA including platform and IP addressees should not be accessible from the Internet. This information should however be accessible to devices on the internal networks of RTA. Which command or series of commands will accomplish these objectives?

RTA(config)#interface s0/0 RTA(config-if)#no cdp enable

Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0:24 to OSPF area 0? (Choose two.)

Router(config)# router ospf 1 Router(config-router)# network 192.168.16.0 0.0.0.255 area 0

Refer to the topology and switching table shown in the graphic. Host B sends a frame to Host C. What will the switch do with the frame?

Send the frame out all ports except port 0:2

Which command is used to display the collection of OSPF link states?

Show ip ospf database

Refer to the exhibit. The ports that are shown are the only active ports on the switch. The MAC address table is shown in its entirety. The Ethernet frame that is shown arrives at the switch. What two operations will the switch perform when it receives this frame? (Choose two.)

The MAC address of 0000.00aaaaa will be added to the MAC address table. The frame will be forwarded out of fa0/1 fa0/2 and fa0 3.

Refer to the graphic. R1 is unable to establish an OSPF neighbor relationship with R3. What are possible reasons for this problem? (Choose two.)

The hello and dead interval timers are not set to the same values on R1 and R3. R1 and R3 are configured in different areas.

A network administrator is troubleshooting the OSPF configuration of routers R1 and R2. The routers cannot establish an adjacency relationship on their common Ethernet link. The graphic shows the output of the " show ip OSPF interface E/0 " command for both routers R1 and R2. Based on the information in the graphic what is the cause of this problem?

The hello and dead timers are not configured properly.

Which two statements describe the IP address 10.16.3.65/23? (Choose two.)

The lowest host address in the subnet is 10.16.2.1 255.255.254.0. The broadcast address of the subnet is 10.16.3.255 255.255.254.0.

Refer to the exhibit. What two things can the technician determine by successfully pinging from this computer to the IP address 172.16.236.1? (Choose two)

The network card on the computer is functioning correctly. The device with the IP address 172.16.236.1 is reachable over the network.

Which transport layer protocol provides best-effort delivery service with no acknowledgement receipt required?

UDP

Refer to the exhibit. A network technician is asked to design a small network with redundancy. The exhibit represents this design with all hosts configured in the same VLAN. What conclusions can be made about this design?

The router will not accept the addressing scheme.

Refer to the exhibit. When running OSPFe what would cause router A not to form an adjacency with router B?

The values of the dead timers on the routers are different.

Which three statements are true about the operation of a full-duplex Ethernet network? (Choose three.)

There are no collisions in full-duplex mode. A dedicated switch port is required for each full-duplex node. The host network card and the switch port must be capable of operating in full-duplex mode

What is the purpose of flow control?

To provide a means for the receiver to govern the amount of data sent by the sender.

Which layer of the OSI model controls the reliability of communications between network devices using flow control sequencing and acknowledgements?

Transport

HostX is transferring a file to the FTP server. Point A represents the frame as it goes toward the Toronto router. What will the Layer 2 destination address be at this point?

abcd.2246.0035

Which of the following are types of flow control? (Choose three.)

buffering windowing congestion avoidance

Refer to the exhibit. Host A is sending a packet to Host B for the first time. What destination MAC address will Host A use in the ARP request?

f-f-f-f-f-f

What OSPF command when configured will include all interfaces into area 0?

network 0.0.0.0 0.0.0.0 area 0

Which characteristics are representative of a link-state routing protocol? (Choose three.)

provides common view of entire topology calculates shortest path utilizes event-triggered updates

The ip helper-address command does what?

relays a DHCP request across networks

Which network topology allows all traffic to flow through a central hub?

star

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 EIGRP route