Question
Refer to the exhibit. Host B on subnet Teachers transmits a packet to host D on subnet Students. Which Layer 2 and Layer 3 addresses are contained in the PDUs that are transmitted from host B to the router?
Refer to the exhibit. Host B on subnet Teachers transmits a packet to host D on subnet Students. Which Layer 2 and Layer 3 addresses are contained in the PDUs that are transmitted from host B to the router?
Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?
What are proprietary protocols?
What will happen if the default gateway address is incorrectly configured on a host?
Which scenario describes a function provided by the transport layer?
Which value, that is contained in an IPv4 header field, is decremented by each router that receives a packet?
Which two statements describe features of an IPv4 routing table on a router? (Choose two.)
What attribute of a NIC would place it at the data link layer of the OSI model?
A network administrator needs to keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?
Which two statements accurately describe an advantage or a disadvantage when deploying NAT for IPv4 in a network? (Choose two.)
What technique is used with UTP cable to help protect against signal interference from crosstalk?
What are two problems that can be caused by a large number of ARP request and reply messages? (Choose two.)
A host is trying to send a packet to a device on a remote LAN segment, but there are currently no mappings in its ARP cache. How will the device obtain a destination MAC address?
What are two ICMPv6 messages that are not present in ICMP for IPv4? (Choose two.)
What are the three parts of an IPv6 global unicast address? (Choose three.)
Which subnet would include the address 192.168.1.96 as a usable host address?
Refer to the exhibit. A company uses the address block of 128.107.0.0/16 for its network. What subnet mask would provide the maximum number of equal size subnets while providing enough host addresses for each subnet in the exhibit?
Refer to the exhibit. Match the network with the correct IP address and prefix that will satisfy the usable host addressing requirements for each network.
How does the service password-encryption command enhance password security on Cisco routers and switches?
Match the firewall function to the type of threat protection it provides to the network.
Match each description to its corresponding term.
A disgruntled employee is using some free wireless networking tools to determine information about the enterprise wireless networks. This person is planning on using this information to hack the wireless network. What type of attack is this?
A company has a file server that shares a folder named Public. The network security policy specifies that the Public folder is assigned Read-Only rights to anyone who can log into the server while the Edit rights are assigned only to the network admin group. Which component is addressed in the AAA network service framework?
Why would a Layer 2 switch need an IP address?
Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?
What command can be used on a Windows PC to see the IP configuration of that computer?
What is an advantage to using a protocol that is defined by an open standard?
What are two functions that are provided by the network layer? (Choose two.)
Which two commands can be used on a Windows host to display the routing table? (Choose two.)
During the process of forwarding traffic, what will the router do immediately after matching the destination IP address to a network on a directly connected routing table entry?
Which two statements are correct in a comparison of IPv4 and IPv6 packet headers? (Choose two.)
Match the description to the IPv6 addressing component.
Two pings were issued from a host on a local network. The first ping was issued to the IP address of the default gateway of the host and it failed. The second ping was issued to the IP address of a host outside the local network and it was successful. What is a possible cause for the failed ping?
Match each description with the corresponding TCP mechanism.
What two pieces of information are displayed in the output of the show ip interface brief command? (Choose two.)
Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC2. In this scenario, what will happen next?
A network administrator notices that some newly installed Ethernet cabling is carrying corrupt and distorted data signals. The new cabling was installed in the ceiling close to fluorescent lights and electrical equipment. Which two factors may interfere with the copper cabling and result in signal distortion and data corruption? (Choose two.)
A network administrator is designing the layout of a new wireless network. Which three areas of concern should be accounted for when building a wireless network? (Choose three.)
What method is used to manage contention-based access on a wireless network?
Which two statements are correct about MAC and IP addresses during data transmission if NAT is not involved? (Choose two.)
Match the type of threat with the cause.
What are two features of ARP? (Choose two.)
A client is using SLAAC to obtain an IPv6 address for its interface. After an address has been generated and applied to the interface, what must the client do before it can begin to use this IPv6 address?
Which switching method drops frames that fail the FCS check?
An organization is assigned an IPv6 address block of 2001:db8:0:ca00::/56. How many subnets can be created without using bits in the interface ID space?
A group of Windows PCs in a new subnet has been added to an Ethernet network. When testing the connectivity, a technician finds that these PCs can access local network resources but not the Internet resources. To troubleshoot the problem, the technician wants to initially confirm the IP address and DNS configurations on the PCs, and also verify connectivity to the local router. Which three Windows CLI commands and utilities will provide the necessary information? (Choose three.)
Users are reporting longer delays in authentication and in accessing network resources during certain time periods of the week. What kind of information should network engineers check to find out if this situation is part of a normal network behavior?
Which type of security threat would be responsible if a spreadsheet add-on disables the local software firewall?
A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured?
An administrator defined a local user account with a secret password on router R1 for use with SSH. Which three additional steps are required to configure R1 to accept only encrypted SSH connections? (Choose three.)
Which information does the show startup-config command display?
A user sends an HTTP request to a web server on a remote network. During encapsulation for this request, what information is added to the address field of a frame to indicate the destination?
Match each description with an appropriate IP address.
What two ICMPv6 message types must be permitted through IPv6 access control lists to allow resolution of Layer 3 addresses to Layer 2 MAC addresses? (Choose two.)
What is the consequence of configuring a router with the ipv6 unicast-routing global configuration command?
What mechanism is used by a router to prevent a received IPv4 packet from traveling endlessly on a network?
What is one main characteristic of the data link layer?
Which range of link-local addresses can be assigned to an IPv6-enabled interface?
Refer to the exhibit. If PC1 is sending a packet to PC2 and routing has been configured between the two routers, what will R1 do with the Ethernet frame header attached by PC1?
Refer to the exhibit. Which protocol was responsible for building the table that is shown?
An IPv6 enabled device sends a data packet with the destination address of FF02::2. What is the target of this packet?
A network technician is researching the use of fiber optic cabling in a new technology center. Which two issues should be considered before implementing fiber optic media? (Choose two.)
What are two characteristics shared by TCP and UDP? (Choose two.)
What are two characteristics of IP? (Choose two.)
What two security solutions are most likely to be used only in a corporate environment? (Choose two.)
Refer to the exhibit. What three facts can be determined from the viewable output of the show ip interface brief command? (Choose three.)
What is a benefit of using cloud computing in networking?
An employee of a large corporation remotely logs into the company using the appropriate username and password. The employee is attending an important video conference with a customer concerning a large sale. It is important for the video quality to be excellent during the meeting. The employee is unaware that after a successful login, the connection to the company ISP failed. The secondary connection, however, activated within seconds. The disruption was not noticed by the employee or other employees.
What three network characteristics are described in this scenario? (Choose three.)
Which two traffic types use the Real-Time Transport Protocol (RTP)? (Choose two.)
Which two statements describe how to assess traffic flow patterns and network traffic types using a protocol analyzer? (Choose two.)
Refer to the exhibit. What is wrong with the displayed termination?
A wired laser printer is attached to a home computer. That printer has been shared so that other computers on the home network can also use the printer. What networking model is in use?
When a switch configuration includes a user-defined error threshold on a per-port basis, to which switching method will the switch revert when the error threshold is reached?
A user is attempting to access http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)
What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?
A network administrator wants to have the same subnet mask for three subnetworks at a small site. The site has the following networks and numbers of devices:
Subnetwork A: IP phones – 10 addresses
Subnetwork B: PCs – 8 addresses
Subnetwork C: Printers – 2 addresses
What single subnet mask would be appropriate to use for the three subnetworks?
A network administrator wants to have the same network mask for all networks at a particular small site. The site has the following networks and number of devices:
IP phones – 22 addresses
PCs – 20 addresses needed
Printers – 2 addresses needed
Scanners – 2 addresses needed
The network administrator has deemed that 192.168.10.0/24 is to be the network used at this site. Which single subnet mask would make the most efficient use of the available addresses to use for the four subnetworks?
Refer to the exhibit. Which two network addresses can be assigned to the network containing 10 hosts? Your answers should waste the fewest addresses, not reuse addresses that are already assigned, and stay within the 10.18.10.0/24 range of addresses. (Choose two.)
Refer to the exhibit. The network administrator has assigned the LAN of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 prefix. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the properties of the workgroup server to allow connectivity to the Internet?
What three requirements are defined by the protocols used in network communcations to allow message transmission across a network? (Choose three.)
Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A?
What is the purpose of the TCP sliding window?
Data is being sent from a source PC to a destination server. Which three statements correctly describe the function of TCP or UDP in this situation? (Choose three.)
A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?
Refer to the exhibit. The switches are in their default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for its default gateway. Which network hosts will receive the ARP request sent by host A?
Refer to the exhibit. If Host1 were to transfer a file to the server, what layers of the TCP/IP model would be used?
A user is executing a tracert to a remote device. At what point would a router, which is in the path to the destination device, stop forwarding the packet?
Match each type of frame field to its function.
What is an advantage for small organizations of adopting IMAP instead of POP?
Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)
What are three characteristics of the CSMA/CD process? (Choose three.)
Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.)
Users report that the network access is slow. After questioning the employees, the network administrator learned that one employee downloaded a third-party scanning program for the printer. What type of malware might be introduced that causes slow performance of the network?
What are the two most effective ways to defend against malware? (Choose two.)
Refer to the exhibit. The IP address of which device interface should be used as the default gateway setting of host H1?
Which wireless technology has low-power and data rate requirements making it popular in home automation applications?
Which layer of the TCP/IP model provides a route to forward messages through an internetwork?
Which type of server relies on record types such as A, NS, AAAA, and MX in order to provide services?
Refer to the exhibit. A network engineer has been given the network address of 192.168.99.0 and a subnet mask of 255.255.255.192 to subnet across the four networks shown. How many total host addresses are unused across all four subnets?
What is the subnet ID associated with the IPv6 address 2001:DA48:FC5:A4:3D1B::1/64?
A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?
What would be the interface ID of an IPv6 enabled interface with a MAC address of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64 process?
What is a function of the data link layer?
Which two protocols operate at the top layer of the TCP/IP protocol suite? (Choose two.)
A user is complaining that an external web page is taking longer than normal to load.The web page does eventually load on the user machine. Which tool should the technician use with administrator privileges in order to locate where the issue is in the network?
The global configuration command ip default-gateway 172.16.100.1 is applied to a switch. What is the effect of this command?
What happens when the transport input ssh command is entered on the switch vty lines?
What are two common causes of signal degradation when using UTP cabling? (Choose two.)
What are three commonly followed standards for constructing and installing cabling? (Choose three.)
Which frame field is created by a source node and used by a destination node to ensure that a transmitted data signal has not been altered by interference, distortion, or signal loss?
What are two primary responsibilities of the Ethernet MAC sublayer? (Choose two.)
Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
Which two functions are performed at the MAC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
Which two functions are performed at the MAC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
Which two functions are performed at the MAC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
Which two functions are performed at the MAC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
Which two functions are performed at the MAC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
Which two functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
A network administrator is adding a new LAN to a branch office. The new LAN must support 4 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A network administrator is adding a new LAN to a branch office. The new LAN must support 61 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A network administrator is adding a new LAN to a branch office. The new LAN must support 200 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A network administrator is adding a new LAN to a branch office. The new LAN must support 25 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A network administrator is adding a new LAN to a branch office. The new LAN must support 200 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A network administrator is adding a new LAN to a branch office. The new LAN must support 10 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A network administrator is adding a new LAN to a branch office. The new LAN must support 90 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A network administrator is adding a new LAN to a branch office. The new LAN must support 4 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A network administrator is adding a new LAN to a branch office. The new LAN must support 61 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A network administrator is adding a new LAN to a branch office. The new LAN must support 4 connected devices. What is the smallest network mask that the network administrator can use for the new network?
A client packet is received by a server. The packet has a destination port number of 53. What service is the client requesting?
A client packet is received by a server. The packet has a destination port number of 143. What service is the client requesting?
A client packet is received by a server. The packet has a destination port number of 67. What service is the client requesting?
A client packet is received by a server. The packet has a destination port number of 69. What service is the client requesting?
A client packet is received by a server. The packet has a destination port number of 21. What service is the client requesting?
A client packet is received by a server. The packet has a destination port number of 69. What service is the client requesting?
A client packet is received by a server. The packet has a destination port number of 21. What service is the client requesting?
A client packet is received by a server. The packet has a destination port number of 80. What service is the client requesting?
A client packet is received by a server. The packet has a destination port number of 22. What service is the client requesting?
A client packet is received by a server. The packet has a destination port number of 110. What service is the client requesting?
What service is provided by POP3?
What service is provided by Internet Messenger?
What service is provided by SMTP?
What service is provided by HTTPS?
What service is provided by DHCP?
What service is provided by HTTP?
What service is provided by BOOTP?
What service is provided by HTTP?
What service is provided by FTP?
What service is provided by DNS?
What characteristic describes a virus?
What characteristic describes a Trojan horse?
What characteristic describes spyware?
What characteristic describes adware?
What characteristic describes a DoS attack?
What characteristic describes identity theft?
What characteristic describes a VPN?
What characteristic describes an IPS?
What characteristic describes antivirus software?
What characteristic describes antispyware?
What does the term "attenuation" mean in data communication?
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Configure switches and end devices to provide access to local and remote network resources.
Explain how physical and data link layer protocols support the operation of Ethernet in a switched network.
Configure routers to enable end-to-end connectivity between remote devices.
Create IPv4 and IPv6 addressing schemes and verify network connectivity between devices.
Explain how the upper layers of the OSI model support network applications.
Configure a small network with security best practices.
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