Download CCNA 200-301 Exam Prep: Networking Fundamentals and more Exams Computer Science in PDF only on Docsity!
DIKTA Exam Preparation Guide.
- Which of the following protocols are examples of TCP/IP transport layer protocols? (Choose two answers.) a. Ethernet b. Http c. IP d. UDP e. SMTP f. TCP
- D and F
- Which of the following protocols are examples of TCP/IP data-link protocol? (Choose two answers) a. Ethernet b. HTTP c. IP d. UDP e. SMTP f. TCP g. PPP
- A and G
- The process of HTTP asking TCP to send some data and making sure that it is received correctly is an example of what? a. Same-Layer interaction b. Adjacent-layer interaction c. OSI model
DIKTA Exam Preparation Guide.
d. All of these answers are correct
- B
- The process of TCP on one computer marking a TCP segment as segment 1, and the receiving computer then acknowledging the receipt of TCP segment 1 is an example of what? a. Data encapsulation b. Same-layer interaction c. Adjacent-layer interaction d. OSI model e. All of these answers are correct
- B
- The process of a web server adding a TCP header to the contents of a web page, followed by adding an IP header and then adding a data-link header and trailer, is an example of what? a. Data encapsulation b. Same-layer interaction c. OSI model d. All of these answers are correct
- A
- Which of the following terms is used specifically to identify the entity created when encapsulating data inside data-link layer headers and trailers? a. Data b. Chunk
DIKTA Exam Preparation Guide.
c. 1000BASE-T d. None of the other answers is correct
- C
- Which of the following is true about Ethernet crossover cables for Fast Ethernet a. Pins 1 and 2 are reversed on the other end of the cable b. Pins 1 and 2 on one end of the cable connect to pins 3 and 6 on the other end of the cable c. Pins 1 and 2 on one end of the cable connect to pins 3 and 4 on the other end of the cable d. The cable can be up to 1000 meters long to cross over between buildings e. None of the other answers is correct
- B
- Each answer lists two types of devices used in a 100BASE-T network. If these devices were connected with UTP Ethernet cables, which pairs of devices would require a straigt- through cable? (Choose three answers) a. PC and router b. PC and switch c. Hub and switch d. Router and Hub e. Wire access point (ethernet port) and switch
- B, D, and E
- Which of the following are advantages of using multimode fiber for an Ethernet link instead of UTP or single-mode fiber?
DIKTA Exam Preparation Guide.
a. To achieve the longer distance possible for the single link b. To extend the link beyond 100 meters while keeping initial cots as low as possible c. To make use of an existing stock of laser-based SFP/SFP+ modules d. To make use of an existing stock of LED-based SFP/SFP+ modules
- B
- Which of the following is true about the CSMA/CD algorithm? a. The algorithm never allows collisions to occur b. Collisions can happen, but the algorithm defines how the computers should notice a collision and how to recover c. The algorithm works with only two devices on the same ethernet d. None of the other answers is correct
- B
- Which of the following is true about the Ethernet FCS field? a. Ethernet uses FCS for error recover b. It is 2 bytes long c. It resides in the Ethernet trailer, not the Ethernet header d. It is used for encryption
- C
- Which of the following are true about the format of Ethernet addresses? (Choose three answers) a. Each manufacturer puts a unique OUI code into the first 2 bytes of the address b. Each manufacturer puts a unique OUI code into the first 3 bytes of the address
DIKTA Exam Preparation Guide.
a. R1 will connect to a physical Ethernet link, with the other end of the cable connected to R b. R1 will connect to a physical Ethernet link, with the other end of the cable connected to a device at the WAN service provider point of presence c. R1 will forward data-link frames to R2 using an HDLC header/trailer d. R1 will forward data-link frames to R2 using an Ethernet header/trailer
- B, D
- Imagine a network with two routers that are connected with a point-to-point HDLC serial link. Each router has an Ethernet, with PC1 sharing the Ethernet with Router1 and PC2 sharing the Ethernet with sharing the Ethernet with Router 2. When PC1 sends data to PC2, which of the following is true? a. Router1 strips the Ethernet header and trailer off the frame received from PC1, never to be used again. b. ROuter1 encapsulates the Ethernet frame inside an HDLC header and sends the frame to ROuter2, which extracts the Ethernet frame for forwarding to PC c. Router1 strips the Ethernet header and trailer off the frame received from PC1, which is exactly re-created by Router2 before forwarding data to PC d. Router1 removes the Ehternet, IP, and TCP headers and rebuilds the appropriated headers before forwarding the packet to Router
- A
- Which of the following does a router normally use when making a decision about routing TCP/IP packets? a. Destination MAC address b. Source MAC address c. Destination IP address d. Source IP address e. Destination MAC and IP addresses
DIKTA Exam Preparation Guide.
C
- Which of the following are true about a LAN-connected TCP/IP host and its IP routing (forwarding) choices? a. The host always sends packets to its default gateway b. The hose never sends packets to its default gateway c. The host sneds packets to its default gateway if the destination IP address is in a different subnet than the host d. The host sends packets to its default gateway if the destination IP address is in the same subnet as the host C
- Which of the following are funcitons of a routing protocol? (Choose two answers) a. Advertising known routes to neighboring routers b. Learning orutes for subnets directly connected to the router c. Learning routes and putting those routes into the routing table for routes advertised to the router by its neighboring routers d. Forwarding IP packets based on a packet's destination IP address A,C
- A company implements a TCP/IP network, with PC1 sitting on an Ethernet LAN. Which of the following protocols and features requries PC1 to learn information form some other server device? a. ARP b. ping c. DNS
DIKTA Exam Preparation Guide.
- Which of the following is a difference between Telnet and SSH as supported by a Cisco switch a. SSH encrypts the passwords used at login, but not other traffic; Telnet encrypts nothing b. SSH encrypts all data exchange, including login passwords; Telnet encrypts nothing c. Telnet is used from Microsoft operating systems, and SSH is used from UNIX and Linux operation systems d. Telnet encrypts only password exchanges; SSH encyrpts all data exchanges B
- What type of switch memory isused to store the configuration used by the switch when it is up and working a. RAM b. ROM c. Flash d. NVRAM e. Bubble A
- What command copies the configuration from RAM into NVRAM a. copy running-config tftp b. copy tftp running-config c. copoy running-config start-up-config
DIKTA Exam Preparation Guide.
d. copy start-up-config running-config e. copy startup-confipg running-config f. copy running-config startup-config F
- A switch user is currently in console line configuration mode. Which of the following would place the user in enable mode? (Choose two answers) a. Using the exit command once b. Using the end command once c. Pressing the Ctrl+Z key sequence once d. Using the quit command B,C
- Which of the following statements describes part of the process of how a switch decides to forward a frame destined for a known unicast MAC address? a. It compares the unicast destination address to the bridging, or MAC address, table b. It compares the unicast source address to the bridging, or MAC address, table
DIKTA Exam Preparation Guide.
- Which of the following comparisons does a switch make when deciding whether a new MAC address should be added to its MAC address table? a. It compares the unicast destination address to the bridging, or MAC address, table b. It compares the unicast source address to the bridging, or MAC address, table c. It compares the VLAN ID to the bridging, or MAC address, table d. It compares the destination IP address's ARP cache entry to the bridging, or MAC address, table B
- A Cisco Catalyst switch has 24 10/100 ports numbered 0/1 through 0/24. Ten PCs connect to the 10 lowest numbered ports, with those PCs working and sending data over the network. The other ports are not connected to any device. Which of the following answers lists facts displayed by the show interfaces status command? a. Port Ehternet 0/1 is in a connected state b. Port Fast Ethernet 0/11 is in a connected state c. Port Fast Ethternet 0/5 is in a connected state d. Port Ehternet 0/15 is in a not connected state C Consider the following output from a Cisco Catalyst switch: SW1# show mac address-table dynamic
Vlan Mac Address Type Ports
DIKTA Exam Preparation Guide.
1 02AA.AAAA.AAAA Dynamic Gi0/ 1 02BB.BBBB.BBBB Dynamic Gi0/ 1 02CC.CCCC.CCCC Dynamic Gi0/ Total Mac Addresses for this criterion: 3 Which of the following Answers is true about this switch? a. The output proves that port Gi0/2 connects directly to a device that uses address 02BB.BBBB.BBBB b. The switch has learned three MAC address since the switch powered on c. The three listed MAC addresses were learned based on the destination MAC address of frames forwarded by the switch d. 02CC.CCCC.CCCC was learned from the source MAC address of a frame that entered port Gi0/ D
- Image that you have configured the enable secret command, followed by the enable password command, from the console. You log out of the switch and log back in at the console. Which command defines the password that you had to enter to access privileged mode?
DIKTA Exam Preparation Guide.
- An engineer had formerly configured a Cisco 2960 switch to allow Telnet access so that the switch expected a password of mypassword from the Telnet user. The engineer then changed the configuration to support Secure Shell. Which of the following commands could have been part of the new configuration? (Choose two answers) a. A username name secret password vty mode subcommand b. A username name secret password global configuration command c. A login local vty mode subcommand d. A transport input ssh global configuration command B,C
- An engineer's desktop PC connects to a switch at the main site. A router at the main site connects to each branch office through a serial link, with one small router and switch at each branch. Which of the following commands must be configured on the branch office switches, in the listed configuration mode, to allow the engineer to telnet to the branch office switches and supply only a password to login? (Choose three answers.) a. The ip address command in interface configuration mode b. The ip address command in global configuration mode c. The ip default-gateway command in VLAN configuration mode d. The ip defualt-gateway command in global configuration mode
DIKTA Exam Preparation Guide.
e. The password command in console line configuration mode f. The password command in vty line configuration mode A,D,F
- A Layer 2 switch configuration places all its physical ports into VLAN 2. The IP addressing plan shows that address 172.16.2.250 (with mask 255.255.255.0) is reserved for use by this new LAN switch and that 172.16.2.254 is already configured on the router connected to the same VLAN. The switch needs to support SSH connections into the switch form any subnet in the network. Which of the following commands are part of the required configuration in this case? (Choose two answers) a. The ip address 172.16.2.250 255.255.255.0 command in interface vlan 1 configuration mode b. The ip address 172.16.2.250 255.255.255.0 command in interface vlan 2 configuration mode c. The ip default-gateway 172.16.2.254 command in global configuration mode d. The switch cannot support SSH because all its ports connect to VLAN 2, and the IP address must be configured on interface VLAN 1 B,C
- Which of the following line subcommands tells a switch to wait until a show command's output has completed before displaying log messages on the screen?
DIKTA Exam Preparation Guide.
- In which of the following modes of the CLI could you configure the dup.ex setting for interface Fast Ethernet 0/5? a. User mode b. Enable mode c. Global configuration mode d. VLAN mode e. Interface configuration mode E
- A Cisco Catalyst switch connects with its Gigabit 0/1 port to an end user's PC. The end user, thinking the user is helping, manually sets the PC's OS to use a speed of 1000 Mbps and to use full duplex, and disables the use of autonegotiation. The switch's G0/1 port has default settings for speed and duplex. What speed and duplex settings will the switch decide to use? (Choose two answers) a. Full duplex b. Half duplex c. 10 Mbps d. 1000 Mbps A,D
- The output of the show interfaces status command on a 2960 switch shos interface Fa0/1 in a "disabled" state. Which of the following is true about interface Fa0/1? (Choose three answers.) a. The interface is configured with shutdown command
DIKTA Exam Preparation Guide.
b. The show interface fa0/1 command will list the interface with two status codes of administratively down and line protocol down. c. The show interface fa0/1 command will list the interface with two status codes of up and down d. The interface cannot currently be used to forward frames e. The interface can currently be used to forward frames A,B,D
- Switch SW1 uses its Gigabit 0/1 interface to connect to switch SW2's Gigabit 0/ interface. Sw2's Gi0/2 interface is configured with the speed 1000 and duplex full commands. Sw1 uses all defaults for interface configuration commands on its Gi0/ interface. Which of the following are true about the link after it comes up? (Choose two answers) a. The link works at 1000 Mbps (1 Gbps) b. SW1 attempts to run at 10 Mbps because Sw2 has effectively disabled IEEE standard autonegotiation c. The link runs at 1 Gbps, but SW1 uses half duplex and Sw2 uses full duplex d. Both switches use full duplex A,D
