ICND 1

The ip helper-address command does what?

What is the best practice when assigning IP addresses in a small office of six hosts?

Refer to the exhibit. 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)

Refer to the exhibit. 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?

The command ip route 192.168.100.160 255.255.255.224 192.168.10.2 was issued on a router. No routing protocols or other static routes are configured on the router. Which statement is true about this command?

What does administrative distance refer to?

Refer to the exhibit. If host A sends an IP packet to host B, what will the source physical address be in the frame when it reaches host B?

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?

Refer to the exhibit. Host A can communicate with Host B but not with Host C or D. How can the network administrator solve this problem?

Refer to the exhibit. The host in Kiev sends a request for an HTML document to the server in Minsk. What will be the source IP address of the packet as it leaves the Kiev router?

Refer to the exhibit. Mary is sending an instant message to Robert. The message will be broken into a series of packets that will traverse all network devices. What addresses will populate these packets as they are forwarded from Router1 to Router2?

Refer to the exhibit. Which two statements are correct? (Choose two)

Refer to the exhibit. Which command would you use to configure a static route on Router1 to network 192.168.202.0/24 with a nondefault administrative distance?

Refer to the exhibit. The output is from a router in a large enterprise. From the output, determine the role of the router.

Refer to the exhibit. What is the simplest way to configure routing between the regional office network 10.89.0.0/20 and the corporate network?

Refer to the exhibit. What must be configured to establish a successful connection from Host A to switch SW-A through router RT-A?

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

Which OSI layer header contains the address of a destination host that is on another network?

At which layer of the OSI model does the protocol that provides the information that is displayed by the show cdp neighbors command operate?

What are two common TCP applications? (Choose two)

Which two characteristics describe the access layer of the hierarchical network design model? (Choose two)

Which layer of the TCP/IP stack combines the OSI model physical and data link layers?

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

Which network device functions only at Layer 1 of the OSI model?

Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two)

Which statements describe the routing protocol OSPF? (Choose three)

Which address are OSPF hello packets addressed to on point-to-point networks?

What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two)

Which protocol uses a connection-oriented service to deliver files between end systems?

On a Cisco switch, which protocol determines if an attached VoIP phone is from Cisco or from another vendor?

Which statements accurately describe CDP? (Choose three)

A workstation has just resolved a browser URL to the IP address of a server. What protocol will the workstation now use to determine the destination MAC address to be placed into frames directed toward the server?

Which statements are true regarding ICMP packets? (Choose two)

An administrator has connected devices to a switch and, for security reasons, wants the dynamically learned MAC addresses from the address table added to the running configuration. What must be done to accomplish this?

The following commands are entered on the router: Burbank(config)# enable secret fortress Burbank(config)# line con 0 Burbank(config-line)# login Burbank(config-line)# password n0way1n Burbank(config-line)# exit Burbank(config)# service password-encryption What is the purpose of the last command entered?

Why would a network administrator configure port security on a switch?

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)

What is the effect of using the service password-encryption command?

How can you ensure that only the MAC address of a server is allowed by switch port Fa0/1?

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

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

Given an IP address of 192.168.1.42 255.255.255.248, what is the subnet address?

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?

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?

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? Net bits Subnet mask total-addresses per subnet /20 255.255.240.0 4096 /21 255.255.248.0 2048 /22 255.255.252.0 1024 /23 255.255.254.0 512 /24 255.255.255.0 256 /25 255.255.255.128 128 /26 255.255.255.192 64 /27 255.255.255.224 32 /28 255.255.255.240 16 /29 255.255.255.248 8 /30 255.255.255.252 4

The network manager has requested a 300-workstation 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 fulfill the request? (Choose three)

Which router command will configure an interface with the IP address 10.10.80.1/19?

A PC sends packets to the default gateway IP address the first time since the PC turned on.

The network administrator is checking basic IP connectivity from a workstation to a server.

The TCP/IP protocol stack must find an IP address for packets destined for a URL.

A network device will automatically assign IP addresses to workstations.

A PC with address 10.1.5.10 must access devices on the Internet.

Only routers and servers require static IP addresses. Easy IP administration is required.

A PC only knows a server as Media Server. IP needs to send data to that server.

A protocol is needed to replace current static routes with automatic route updates.

A protocol used to monitor and manage network devices

A reliable, connection-oriented service that uses TCP to transfer files between systems

A connectionless service that uses UDP to transfer files between systems

A protocol that converts human-readable names into machine-readable addresses

Used to assign IP addresses automatically and set parameters such as subnet mask and default gateway