A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?
What method is used to manage contention-based access on a wireless network?
What function does pressing the Tab key have when entering a command in IOS?
What are two characteristics shared by TCP and UDP? (Choose two.)
Match the description with the associated IOS mode. (Not all options are used.)
Why are port numbers included in the TCP header of a segment?
After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command?
What is one difference between the client-server and peer-to-peer network models?
Refer to the exhibit. Match the packets with their destination IP address to the exiting interfaces on the router. (Not all options are used.)
What layer is responsible for routing messages through an internetwork in the TCP/IP model?
What purpose does NAT64 serve in IPv6?
A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?
What network service resolves the URL entered on a PC to the IP address of the destination server?
Which firewall feature is used to ensure that packets coming into a network are legitimate responses to requests initiated from internal hosts?
What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.)
During the encapsulation process, what occurs at the data link layer for a PC connected to an Ethernet network?
What are two characteristics of Ethernet MAC addresses? (Choose two.)
Which networking model is being used when an author uploads one chapter document to a file server of a book publisher?
Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?
How does quality of service help a network support a wide range of applications and services?
What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?
What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address?
What is the purpose of the command ping ::1?
A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)
Which switching method has the lowest level of latency?
Which domain name would be an example of a top-level domain?
Which procedure is used to reduce the effect of crosstalk in copper cables?
Which two commands can be used on a Windows host to display the routing table? (Choose two.)
Fill in the blank.
During data communications, a host may need to send a single message to a specific group of destination hosts simultaneously. This message is in the form of a __ message.
Which two protocols operate at the highest layer of the TCP/IP protocol stack? (Choose two.)
At a minimum, which address is required on IPv6-enabled interfaces?
What is one indication that a Windows computer did not receive an IPv4 address from a DHCP server?
How many usable IP addresses are available on the 192.168.1.0/27 network?
A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?
What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)
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?
What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?
What is a characteristic of the LLC sublayer?
What is the binary representation of 0xCA?
A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this requirement?
Which subnet would include the address 192.168.1.96 as a usable host address?
Under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on? (Choose two.)
A network engineer is analyzing reports from a recently performed network baseline. Which situation would depict a possible latency issue?
Which service provides dynamic global IPv6 addressing to end devices without using a server that keeps a record of available IPv6 addresses?
Which command can an administrator issue on a Cisco router to send debug messages to the vty lines?
What are two ways that TCP uses the sequence numbers in a segment? (Choose two.)
Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator has already logged into a Telnet session on the switch, which password is needed to access privileged EXEC mode?
If a device receives an Ethernet frame of 60 bytes, what will it do?
Which statement is true about variable-length subnet masking
Which two functions are primary functions of a router? (Choose two.)