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A wide range of networking concepts and protocols, including the osi model, ip addressing, routing, switching, and various application-level protocols. It provides detailed explanations and examples related to network layer addressing, media access control, address translation, tcp/ip session establishment, network device configuration, and more. Likely to be useful for students studying computer networking, network administration, or related fields, as it covers fundamental networking principles and technologies that are essential knowledge for anyone working in the it industry.
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Which of the following are the address ranges of the private IP addresses? (Choose three.) - Precise Answer ✔✔10.0.0.0 to 10.255.255.255 ; 172.16.0.0 to 172.31.255.255; 192.168.0.0 to 192.168.255. Which two functions of the OSI model occur at layer two? (Choose two.) - Precise Answer ✔✔physical addressing ; media access control Refer to the exhibit. What function does router RT_A need to provide to allow Internet access for hosts in this network? - Precise Answer ✔✔address translation What is true regarding network layer addressing? (Choose three.) - Precise Answer ✔✔It uses a hierarchical structure.; uniquely identifies each host; A portion of the address is used to identify the network. Refer to the exhibit. Host A attempts to establish a TCP/IP session with host C. During this attempt, a frame was captured with the source MAC
Refer to the exhibit. Host C is able to ping 127.0.0.1 successfully, but is unable to communicate with hosts A and B in the organization. What is the likely cause of the problem? - Precise Answer ✔✔The subnet mask on host C is improperly configured. Refer to the exhibit. Which list refers only to end devices? - Precise Answer ✔✔D,E,F,G Refer to the exhibit. Host A sends a frame with the destination MAC address as FFFF.FFFF.FFFF. What action will the switch take for this frame? - Precise Answer ✔✔It will send the frame to all hosts except host A. Which subnet mask will allow 2040 hosts per subnet on the IP network 10.0.0.0? - Precise Answer ✔✔255.255.248. Refer to the exhibit. RouterB is configured properly. The Ethernet interface Fa0/0 of RouterA is configured with the use of the commands that are shown. However, a ping from the Fa0/0 interface of RouterA to the Fa0/0 interface of RouterB is unsuccessful. What action should be taken on RouterA to solve this problem? - Precise Answer ✔✔Use the no shutdown command on the FastEthernet interface Fa0/0. To send data through a network, what two flags are used to establish a session? (Choose two.) - Precise Answer ✔✔ACK; SYN
Which statement is true about the TTL value of an IPv4 packet? - Precise Answer ✔✔It specifies the remaining "life" of the packet. Refer to the exhibit. Communication for hosts X and Y is restricted to the local network. What is the reason for this? - Precise Answer ✔✔The gateway addresses are broadcast addresses. What type of network is maintained if a server takes no dedicated role in the network? - Precise Answer ✔✔peer-to-peer A routing issue has occurred in your internetwork. Which of the following type of devices should be examined to isolate this error? - Precise Answer ✔✔Router Which physical component is used to access and perform the initial configuration on a new unconfigured router? - Precise Answer ✔✔Image 2, CONSOLE A user sees the command prompt: Router(config-if)#. What task can be performed at this mode? - Precise Answer ✔✔Configure individual interfaces. What is the correct order for PDU encapsulation? - Precise Answer ✔✔Frame Header, Network Header, Transport Header, Data, Frame Trailer
An administrator makes changes to the default configuration of a router and saves them to NVRAM. After testing, it is discovered that the configurations did not have the desired effect and must be removed. What steps must be taken to remove the changes and return the router to the default configuration? - Precise Answer ✔✔Issue the erase startup- config command, and then reboot the router. A network administrator is tasked with connecting two workgroups that are configured to use different subnets. Which device should be selected to allow connectivity between users on the two networks? - Precise Answer ✔✔Router Which two programs can be used to accomplish terminal emulation for configuring a router from the CLI through the console port? (Choose two.) - Precise Answer ✔✔HyperTerminal; Minicom Which statement accurately describes file sharing in a peer-to-peer network? - Precise Answer ✔✔Access control is decentralized. What are two primary responsibilities of the Ethernet MAC sublayer? (Choose two.) - Precise Answer ✔✔data encapsulation; accessing the media Which router configuration mode would an administrator use to configure the router for SSH or Telnet login access? - Precise Answer ✔✔Line
Refer to the exhibit. Which device should be included in the network topology to provide Layer 2 connectivity for all LAN devices, provide multiple collision domains, and also provide a connection to the rest of the network? - Precise Answer ✔✔Switch Refer to the exhibit. A technician has been asked to test connectivity from PC1 to a remote network. Which action will indicate if there is remote connectivity? - Precise Answer ✔✔C:>ping 172.16.4. What purpose does a hostname serve on a router? - Precise Answer ✔✔provides device identification to users logging on remotely Which prompt is associated with the privileged exec mode? - Precise Answer ✔✔R1# A technician wishes to connect two computers to move data from one to the other before reloading the operating system. The NICs on both PCs do not support autosensing feature. Which procedure will satisfy the requirement? - Precise Answer ✔✔Interconnect the two PCs with a crossover cable. Refer to the exhibit. Interface Fa0/0 on router A is generating excessive broadcast traffic. Which LAN segments will affected by the excessive broadcasts? - Precise Answer ✔✔Only the 192.168.1.200/30 network will be affected.
switch to a text file for editing. Which transfer option should be selected in HyperTerminal? - Precise Answer ✔✔Capture Text When must a router serial interface be configured with the clock rate command? - Precise Answer ✔✔when the interface is functioning as a DCE device Due to a security violation, the router passwords must be changed. What information can be learned from the following configuration entries? (Choose two.) - Precise Answer ✔✔The entries specify four Telnet lines for remote access; Access will be permitted for Telnet using "c13c0″ as the password Which password is automatically encrypted when it is created? - Precise Answer ✔✔Enable secret Refer to the exhibit. A network technician is trying to determine the correct IP address configuration for Host A. What is a valid configuration for Host A? - Precise Answer ✔✔IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100. Which prompt represents the appropriate mode used for the copy running-config startup-config command? - Precise Answer ✔✔Switch- 6J#
Refer to the exhibit. The tracert command is initiated from PC1 to PC4. Which device will send a response to the initial tracert packet from PC1?
Refer to the exhibit. Host A is requesting a web page from the web server. Which option represents the socket to which the request is made?
Which service is used when the nslookup command is issued on a computer? - Precise Answer ✔✔DNS Refer to the exhibit. A network technician creates equal-sized subnets of network 192.168.2.0/24 using the subnet mask 255.255.255.224. If the technician wishes to calculate the number of host addresses in each subnet by using the formula that is shown in the exhibit, what value will be used for n? - Precise Answer ✔✔ 5 What are the default terminal emulation software settings when configuring a Cisco device through a console port? - Precise Answer ✔✔Bits per second: 9600 Data bits: 8 Parity: None Stop bits: 1 Flow control: None In a packet-switched data network, what is used to reassemble the packets in the correct order at the destination device? - Precise Answer ✔✔Sequence number Refer to the exhibit. A network administrator tries to test the connectivity between routers R1 and R2, but the attempt to ping is unsuccessful. Based on the show ip interface brief command outputs, what could be the possible cause of the problem? - Precise Answer ✔✔Interface S0/0/0 on router R1 is configured with an incorrect IP address.
Which option represents a point-to-point logical topology diagram? - Precise Answer ✔✔Last image In a network design project, a network designer needs to select a device to provide collision free connections to 40 hosts on the LAN. Which device should be selected? - Precise Answer ✔✔Switch Which communication tool allows real-time collaboration? - Precise Answer ✔✔instant messaging