ICND1 Study questions

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For an 802.1Q trunk between two Ethernet switches, which answer most accurately defines which frames do not include an 802.1Q header? a)Frames in the native VLAN (only one) b)Frames in the extended VLANs c)Frames in VLAN 1 (not configurable) d)Frames in all native VLANs (multiple allowed) ch9

A

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 Router2. 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 PC2. 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 PC2. d)Router1 removes the Ehternet, IP, and TCP headers and rebuilds the appropriate headers before forwarding the packet to Router2. ch4

A

In the LAN for a small office, some user devices connect to the LAN using a cable, while others connect using wireless technology (and no cable). Which of the following is true regarding the use of Ethernet in this LAN? a)Only the devices that use cables are using Ethernet b)Only the devices that use wireless are using Ethernet c)Both the devices using cables and those using wireless are using ethernet. d)None of the devices are using Ethernet ch2

A

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. ch1

A

What type of switch memory is used to store the configuration used by the switch when it is up and working? a)RAM b)ROM c)FLASH d)NVRAM e)Bubble ch7

A

Which OSI layer defines the standards for cabling and connectors? a)Layer 1 b)Layer 2 c)Layer 3 d)Layer 4 e)Layer 5, 6 or 7 ch1

A

Which of the following devices would be in the same collision domain as PC1? a)PC2, which is separated from PC1 by an Ethernet hub b)PC3, which is separated from PC1 by a transparent bridge c)PC4, which is separated from PC1 by an Ethernet switch d)PC5, which is separated from PC1 by a router ch6

A

Which of the following statements best describes what a switch does with a frame destined for an unknown unicast address? a)It forwards out all interfaces in the same VLAN except for the incoming interface. b)It forwards the frame out the one interface identified by the matching entry in the MAC address table. c)It compares the destination IP address to the destination MAC address table. d)It compares the frame's incoming interface to the source MAC entry in the MAC address table. ch6

A

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. c)It forwards the frame out all interfaces in the same VLAN except for the incoming interface. d)It compares the destination IP address to the destination MAC address. e)IT compares the frame's incoming interface to the source MAC entry in the MAC address table. ch6

A

Working at the helpdesk, you receive a call and learn a user's PC IP address and mask (192.168.9.1/27). When thinking about this using classful logic, you determine the number of network (N), subnet (S), and host (H) bits. Which of the following is true in this case? a. N=24 b. S=24 c. H=8 d. H=7 ch13

A

Before Class B network 172.16.0.0 is subnetted by a network engineer, what parts of the structure of the IP addresses in this network already exist, with a specific size? (select two answers.) a. Network b. Subnet c. Host d. Broadcast ch11

A and C

Which of the following are private IP networks? (select two answers.) a. 172.31.0.0 b. 172.32.0.0 c. 192.168.255.0 d. 192.1.168.255 e. 11.0.0.0 ch11

A and C

Which of the following are true about IP address 192.168.6.7's IP network? (Select two answers) a. The network ID is 192.168.6.0 b. The network is a Class B network. c. The default mask for the network is 255.255.255.0 d. The number of host bits in the unsubnetted network is 16. ch12

A and C

Which of the following are public IP networks? (Select three answers.) a. 9.0.0.0 b. 172.30.0.0 c. 192.168.255.0 d. 192.1.168.0 e. 1.0.0.0 ch11

A, D, E

A switch has just arrived from Cisco. The switch has never been configured with any VLANs, but VTP has been disabled. An engineer gets into configuration mode and issues the 'vlan 22' command, followed by the 'name Hannahs-VLAN' command. Which of the following are true? (Choose two answers) a)VLAN 22 is listed in the output of the 'show vlan brief' command. b)VLAN 22 is listed in the output of the 'show running-config' command. c)VLAN 22 is not created by this process. d)VLAN 22 does not exist in that switch until at least one interface is assigned to that VLAN. ch9

AB

In what modes can you execute the command show mac address-table? (choose 2 answers) a)User mode b)Enable mode c)Global configuration mode d)Interface configuration mode ch7

AB

PC1, with MAC address 1111.1111.1111, is connected to Switch SW1's Fa0/1's interface. PC2, with MAC address 2222.2222.2222, is connected to SW1's Fa0/2 interface. PC3, with MAC address 3333.3333.3333, connects to SW1's Fa0/3 interface. The switch begins with no dynamically learned MAC addresses, followed by PC1 sending a frame with a destination address of 2222.2222.2222. If the next frame to reach the switch is a frame sent by PC3, destined for PC2's MAC address of 2222.2222.2222, which of the following are true? (choose two answers) a)The switch forwards the frame out interface Fa0/1 b)The switch forwards the frame out interface Fa0/2 c)The switch forwards the frame out interface Fa0/3 d)The switch filters (discards) the frame ch6

AB

Which of the following devices would be in the same broadcast domain as PC1? (choose 3 answers) a)PC2, which is separated from PC1 by an Ethernet hub b)PC3, which is separated from PC1 by a transparent bridge c)PC4, which is separated from PC1 by an Ethernet switch d)PC5, which is separated from PC1 by a router ch6

ABC

Which of the following are typical functions of TCP? (choose 4 answers) a)Flow control (windowing) b)Error Recovery c)Multiplexing using port numbers d)Routing e)Encryption f)Ordered data transfer ch5

ABCF

The output of the 'show interfaces status' command on a 2960 switch shows 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 the 'shutdown' command. b)The 'show interfaces fa0/1' command will list the interface with tow status codes of administratively down and line protocol down. c)The 'show interfaces 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. ch10

ABD

Imagine that you are told that switch 1 is configured with the 'dynamic auto' parameter for trunking on its Fa9/5 interface, which is connected to switch 2. You have to configure switch 2. Which of the following settings for trunking could allow trunking to work? a)Trunking turned 'on' b)'dynamic auto' c)'dynamic desirable' d)'access' e)None of the other answers are correct ch9

AC

On a Cisco Catalyst switch, you issue a 'show mac address-table' command. Which of the following answers list information you would likely see in most lines of output? (choose two answers) a)A MAC address b)An IP address c)A VLAN ID d)Type (broadcast, multicast, or unicast) ch10

AC

Which of the following are functions of OSI Layer 3 protocols? (choose two answers) a)Logical addressing b)Physical addressing c)Path selection d)Arbitration e)Error recovery ch4

AC

Which of the following are functions of a routing protocol? (choose two answers) a)Advertising known routes to neighboring routers b)Learning routes 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. ch4

AC

Switch SW1 uses it Gigabit 0/1 interface to connect to switch SW2's Gigabit 0/2 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 it's Gi0/1 interface. Which of the following are true about the link after it comes up? (Choose two answers) a)The link works at 1000 Mbps (1gbps) b)Sw1 attempts to run at 10Mbps because SW2 has effectively disabled IEEE standard auto-negotiation. c)The link runs at 1Gbps, but SW1 uses half-duplex and SW2 uses full-duplex. d)Both switches use full-duplex ch10

AD

When comparing VoIP with an HTTP-based mission-critical business application, which of the following statements are accurate about the quality of service needed from the network? (choose 2 answers) a)VoIP needs better (lower) packet loss. b)HTTP needs less bandwidth. c)HTTP needs better (lower) jitter d)VoIP needs better (lower) delay ch5

AD

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? (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 default-gateway' command in global configuration mode e)The 'password' command in console line configuration mode f)The 'password' command in vty line configuration mode ch8

ADF

Which of the following protocols are example of TCP/IP data link layer protocols? a)Ethernet b)HTTP c)IP d)UDP e)SMTP f) TCP g)PPP ch1

AG

A network engineer spends time thinking about the entire Class B network 172.16.0.0, and how to subnet that network. He then chooses how to subnet this Class B network and creates an addressing and subnetting plan, on paper, showing his choices. If you compare his thoughts about this network before subnetting the network, to his thoughts about this network after mentally subnetting the network, which of the following occurred to the parts of the structure of addresses in this network? a. The subnet part got smaller. b. The host part got smaller. c. The network part got smaller d. The host part was removed e. The network part was removed ch11

B

Imagine 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 have to enter to access privileged mode? a)'enable password' b)'enable secret' c)neither d)The 'password' command, if it's configured ch8

B

In a LAN, which of the following terms best equates to the term VLAN? a)Collision domain b)Broadcast domain c)Subnet d)Single switch e)Trunk ch9

B

In the URL http://www.certskills.com/ICND1, which part identifies the web server? a)http b)www.certskills.com c)certskills.com d)http://www.certskills.com e)The file name.html includes the host name ch5

B

In the cabling for a leased line, which of the following typically connects to a four-wire line provided by a telco? a)Router serial interface without internal CSU/DSU b)CSU/DSU c)Router serial interface with internal transceiver d)Switch serial interface ch3

B

In which of the following modes of the CLI could you use the command 'reload' to reboot the switch? a)User mode b)Enable mode c)Global configuration mode d)Interface configuration mode ch7

B

Switch SW1 sends a frame to switch SW2 using 802.1Q trunking. Which of the answers describes how SW1 changes or adds the Ethernet frame before forwarding the frame to SW2? a)Inserts a 4-byte header and does change the MAC address b)Inserts a 4-byte header and does not change the MAC address c)Encapsulates the original frame behind an entirely-new Ethernet header d)None of the answers are correct e) ch9

B

The following command was copied and pasted into the configuration mode when a user was telnetted into a Cisco switch: 'banner login this is the login banner' Which of the following is true about what occurs the next time a user logs in from the console? a)No banner text is displayed b)The banner text "his is" is displayed c)The banner text "this is the login banner" is displayed d)The banner text "Login banner configured, no text defined" is displayed. ch8

B

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 d)All of these answers are correct ch1

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 ch1

B

Which of the following answers lists the dotted-decimal notation (DDN) equivalent of /30? a. 255.255.255.192 b. 255.255.255.252 c. 255.255.255.240 d. 255.255.254.0 e. 255.255.255.0 ch13

B

Which of the following answers lists the prefix (CIDR) format equivalent of 255.255.255.240? a. /26 b. /28 c. /27 d. /30 e. /29 ch13

B

Which of the following best describes the main function of OSI Layer 1 as used in WANs? a)Framing b)Delivery of bits from one device to another c)Addressing d)Error detection ch3

B

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. e) ch6

B

Which of the following fields in the HDLC header used by Cisco routers does Cisco add, beyond the ISO standard HDLC? a)Flag b)Type c)Address d)FCS ch3

B

Which of the following is a Class A, B, or C network ID? a. 10.1.0.0 b. 192.168.1.0 c. 127.0.0.0 d. 172.20.0.1 ch12

B

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 operating systems. d)Telnet encrypts only password and exchanges; SSH encrypts all data exchanges ch7

B

Which of the following is a valid Class C IP address that can be assigned to a host? a)1.1.1.1 b)200.1.1.1 c)128.128.128.128 d)224.1.1.1 ch4

B

Which of the following is required when configuring port security with sticky learning? a)Setting the maximum number of allowed MAC addresses on the interface with the 'switchport port-security maximum' interface subcommand b)Enabling port security with the 'switchport port-security' interface subcommand c)Defining the specific allowed MAC address using the 'switchport port-security mac-address' d)All the other answers list required commands ch8

B

Which of the following is true about CSMA/CD? 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 answers is correct. ch2

B

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 crossover between buildings. e)None of these answers are correct. ch2

B

A class B network needs to be subnetted such that it supports 100 subnets and 100 hosts/subnet. Which of the following answers list a workable combination for the number of network, subnet, and host bits? (Select two answers.) a. Network = 16, subnet = 7, host = 7 b. Network = 16, subnet = 8, host = 8 c. Network = 16, subnet = 9, host = 7 d. Network = 8, subnet = 7, host = 17 ch11

B and C

Which of the following are not valid Class A network IDs? (Choose two answers.) a. 1.0.0.0 b. 130.0.0.0 c. 127.0.0.0 d. 9.0.0.0 ch12

B and C

An engineer is thinking about the following IP address and mask using classless IP addressing logic: 10.55.66.77, 255.255.255.0. Which of the following statements are true when using classless addressing logic? (Choose two) a. The network part's size is 8 bits b. The prefix length is 24 bits c. the prefix length is 16 bits d. The host part's size is 8 bits ch13

B and D

Host A is a PC, connect to switch SW1 and assigned to VLAN 1. Which of the following are typically assigned an IP address in the same subnet as host A? (select two answers) a. The local router's WAN interface b. The local router's LAN interface c. All other hosts attached to the same switch d. Other hosts attached to the same switch and also in VLAN 1 ch11

B and D

Which of the following are true about IP address 172.16.99.45's IP network? (Select two answers) a. The network ID is 172.0.0.0 b. The network is a Class B network. c. The default mask for the network is 255.255.255.0 d. The number of host bits in the unsubnetted network is 16. ch12

B and D

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 Ctrl-z key sequence once d)Using the 'quit' command ch7

BC

An engineer had formerly configured a Cisco 2960 switch to allow Telnet access so that the switch expected a password of 'mypassword' form 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 2 answers) a)A 'username NAME password PASSWORD' vty mode subcommand b)A 'username NAME password PASSWORD' global configuration command c)A 'login local' vty mode subcommand d)A 'transport input ssh' global configuration command ch8

BC

Which of the following Internet access technologies, used to connect a site to an ISP, offers asymmetric speeds? (choose two answers) a)Leased lines b)DSL c)Cable Internet d)BGP ch3

BC

Which of the following are true about a LAN-connected TCP/IP host and its IP routing (forwarding) choices? (choose 2 answers) a)The host always sends packets to its default gateway b)The host sends packets to its default gateway if the destination IP address is in a different class of IP network than the host. c)The host sends 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. ch4

BC

Which of the following commands identify switch interfaces as being trunking interfaces: interfaces that currently operate as VLAN trunks? (Choose two answers) a)'show interfaces' b)'show interfaces switchport' c)'show interfaces trunk' d)'show trunks' ch9

BC

Which of the following commands list the MAC address table entries for MAC addresses configured by port security? (Choose two answers.) a)'show mac address-table dynamic' b)'show mac address-table' c)show mac address-table static' d)'show mac address-table port-security' ch10

BC

Which of the following are true about the format of Ethernet addresses?(choose 3) a)Each manufacturer puts a unique OUI code into the first 2 bytes of the address. b)Each manufacture puts a unique OUI code into the first 3 bytes of the address. c)Each manufacturer puts a unique OUI code into the first half of the address. d)The part of the address that holds this manufacturer's code is called the MAC. e)The part of the address that holds this manufacturer's code is called the OUI f)The part of the address that holds this manufacturer's code has no specific name. ch2

BCE

The following line of output was taken from a 'show interfaces fa0/1' command: Full-duplex, 100Mbps, media type is 10/100BaseTX. Which of the following are true about the interfaces? (Choose two answers.) a)The speed was definitely configured with the 'speed 100' interface subcommand. b)The speed might have been configured with the 'speed 100' interface subcommand. c)The duplex was definitely configured with the 'duplex full' interface subcommand. d)The duplex might have been configured with the 'duplex full' interface subcommand. ch10

BD

Two routers, R1 and R2, connect using an ethernet over MPLS service. The service providers point-to-point service between these two routers only, as a Layer 2 Ethernet service. Which of the following are the most likely to be true about this WAN? (choose two answers) a)R1 will connect to a physical Ethernet link, with the other end of the cable connected to R2 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 frame to R2 using an HDLC header/trailer. d)R1 will forward data link frames to R2 using an Ethernet header/trailer. ch3

BD

Which of the following Ethernet standards support a maximum cable length of lover than 100 meters? (choose 2) a)100BASE-T b)1000BASE-LX c)1000BASE-T d)100BASE-FX e) ch6

BD

Each answer lists two types of devices used in a 100BASE-T network. If these devices were connected with UTP Ehternet cables, which pairs of devices would require a straight-through cable? a)PC & router b)PC & Switch c)Hub & switch d)Router & hub e)Wireless access point (ethernet port) and switch ch2

BDE

A company implements a TCP/IP network, with PC1 sitting on an Ethernet LAN. Which of the following protocols and features requires PC1 to learn information from some other sever device? a)ARP b)ping c)DNS d)None of the answers are correct. e) ch4

C

Fred has just added DSL service at his home, with a separate DSL modem and consumer-grade router with four Ethernet ports. Fred wants to use the same old phone he was using before the installation of DSL. Which is most likely true about the phone cabling and phone used with his new DSL installation? a)He uses the old phone, cabled to one of the router/switch device's Ethernet ports. b)He uses the old phone, cabled to the DSL modem's ports c)He uses the old phone, cabled to an existing telephone port, and not to any new device d)The old phone must be replaced with a digital phone ch3

C

Which OSI layer defines the functions of logical network-wide addressing and routing? a)Layer 1 b)Layer 2 c)Layer 3 d)Layer 4 e)Layer 5, 6 or 7 ch1

C

Which of the following Ethernet standards defines Gigabit Ethernet over UTP cabling? a)10GBASE-T b)100BASE-T c)1000BASE-T d)None of the answers is correct ch2

C

Which of the following answers lists the dotted-decimal notation (DDN) equivalent of /24? a. 255.255.240.0 b. 255.255.252.0 c. 255.255.255.0 d. 255.255.255.192 e. 255.255.255.240 ch13

C

Which of the following answers lists the prefix (CIDR) format equivalent of 255.255.254.0? a. /19 b. /20 c. /23 d. /24 e. /25 ch13

C

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 address ch4

C

Which of the following functions is performed by both TCP and UDP? a)Windowing b)Error recovery c)Multiplexing using port numbers d)Routing e)Encryption f)Ordered data transfer ch5

C

Which of the following is an accurate speed at which a leased line can operate in the United States? a)100Mbps b)100Kbps c)256Kbps d)6.4Mbits ch3

C

Which of the following is true about the Ethernet FCS field? a)Ethernet uses FCS for error recovery. b)It is 2 bytes long. c)It resides in the Ethernet trailer, not the Ethernet header. d)It is used for encryption. ch2

C

Which of the following statements describes part of how a LAN switch decides to forward a frame destined for a broadcast 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. c)It forwards the frame out all interfaces in the same VLAN except for the incoming interface. d)It compares the destination IP address to the destination MAC address. e)It compares the frame's incoming interface to the source MAC entry in the MAC address table. ch6

C

Working at the help desk, you receive a call and learn a user's PC IP address and mask (10.55.66.77, mask 255.255.255.0). When thinking about this using classful logic, you determine the number of network (N), subnet (S), and host (H) bits. Which of the following is true in this case? a. N=12 b. S=12 c. H=8 d. S=8 e. N=24 ch13

C

Which of the following terms are NOT used to reference the one number in each subnet used to uniquely identify the subnet? (Select two answers) a. Subnet ID b. Subnet number c. Subnet broadcast d. Subnet name e. Subnet address ch11

C and D

Which of the following terms describes Ethernet addresses that can be used to send one frame that is delivered to multiple devices on the LAN? (choose two answers) a)Burned-in address b)Unicast address c)Broadcast address d)multicast address ch2

CD

Imagine that PC1 needs to send some data to PC2, and PC1 and PC2 are separated by several routers. Both PC1 and PC2 sit on different Ethernet LANs. What are the largest entities (in size) that make it from PC1 to PC2? (Choose two answers.) a)Frame b)Segment c)Packet d)L5 PDU e)L3 PDU f)L1 PDU ch4

CE

Which of the following terms are not valid terms for the names of the seven OSI layers? a)Application b)Data link c)Transmission d)Presentation e)Session ch1

CE

What do you call data that includes the Layer 4 protocol header, and data given to Layer 4 by the upper layers, not including any headers and trailers from Layers 1 to 3? (choose 2 answers) a)L3PDU b)Chunk c)Segment d)Packet e)Frame f)L4PDU ch5

CF

A Cisco LAN switch connects to three PCs (PC1, PC2, and PC3), each directly using a cable that supports Ethernet UTP speeds up through 1000 Mbps (1 Gbps). PC1 uses a NIC that supports only 10BASE-T, while PC2 has a 10/100 NIC, and PC3 has a 10/100/1000 NIC. Assuming that the PCs and switch use IEEE auto-negotiation, which PCs will use half-duplex. a)PC1 b)PC2 c)PC3 d)None of the above ch6

D

Imagine a switch with three configured VLANs. How many IP subnets are required, assuming that all hosts in all VLANs want to use TCP/IP? a)0 b)1 c)2 d)3 e)You can't tell from the information provided. ch9

D

Layer 2 switches SW1 and SW2 connect through a link, with port G0/1 on SW1 and port G0/2 on SW2. The network engineer wants to use 802.Q trunking on this link. The 'show interfaces gigabit0/1 switchport' command on SW1 shows the output listed here: SW1# 'show interfaces gigabit0/1 switchport' Name: Gi0/1 Switchport: Enabled Administrative Mode: trunk Operational Mode: trunk Which of the following must be true on switch SW2's G0/2 port? a)The operational state per the 'show interfaces switchport' command must be "trunk". b)The administrative state per the 'show interfaces switchport' command must be "trunk". c)SW2 must use the 'switchport mode trunk' configuration command on G0/2, or the link will not use trunking. d)SW2 can use the 'switchport mode dynamic auto' configuration command as one option to make the link use trunking. ch10

D

What is the assignable range of values for the first octet for Class A IP networks? a)0 to 127 b)0 to 126 c)1 to 127 d)1 to 126 e)128 to 191 f)128 to 192 ch4

D

Which of the following is a network broadcast address? a. 10.1.255.255 b. 192.168.255.1 c. 224.1.1.255 d. 172.30.255.255 ch12

D

Which of the following is not a feature of a protocol that is considered to match OSI Layer 4? a)Error recovery b)Flow control c)Segmenting of application data d)Conversion from binary to ASCII ch5

D

Which of the following statements is true about classless IP addressing concepts? a. Uses a 128-bit IP address b. Applies only for Class A and B networks c. Separates IP addresses into network, subnet, and host parts d. Ignores Class, A, B, and C network rules ch13

D

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)Chunck c)Segment d)Frame e)Packet ch1

D

Why does the formula for the number of hosts per subnet (2^H - 2) require the subtraction of two hosts? a. To reserve two addresses for redundant default gateways (routers) b. To reserve the two addresses required for DHCP operation c. To reserve addresses for the subnet ID and default gateway (router) d. To reserve addresses for the subnet broadcast address and subnet ID. ch11

D

Which of the following header fields identify which TCP/IP application gets data received by the computer? (choose 2) a)Ethernet Type b)SNAP Protocol Type c)IP Protocol d)TCP Port Number e)UDP Port Number ch5

DE

PC1 and PC2 are on two different Ethernet LANs that are separated by an IP router. PC1's IP address is 10.1.1.1, and no subnetting is used. Which of the following addresses could be used for PC2? (choose 2 answers) a)10.1.1.2 b)10.2.2.2 c)10.200.200.1 d)9.1.1.1 e)225.1.1.1 f)1.1.1.1 ch4

DF

Which of the following protocols are examples of TCP/IP Transport layer protocols? a)Ethernet b)HTTP c)IP d)UDP e)SMTP f) TCP ch1

DF

In which of the following modes of the CLI could you configure the duplex setting for interface Fast Ethernet 0/5? a)User mode b)Enable mode c)Global configuration mode d)VLAN mode e)Interface configuration mode ch8

E

What command copies the configuration from RAM to NVRAM? a)'copy running-config tftp' b)'copy tftp running-config' c)'copy running-config start-up-config' d)'copy start-up-config running-config' e)'copy running-config startup-config' ch7

E

Which of the following are not valid Class B network IDs? a. 130.0.0.0 b. 191.255.0.0 c. 128.0.0.0 d. 150.255.0.0 e. All are valid Class B network IDs ch12

E

A switch is cabled to a router whose host name is Hannah. Which of the following CDP commands could identify Hannah's model of hardware? (choose two answers) a)'show neighbors' b)'show neighbors Hannah' c)'show cdp' d)'show cdp interface' e)'show cdp neighbors' f)'show cdp entry Hannah' ch10

EF

Imagine that a switch connects through an Ethernet cable to a router, and the router's host name is Hannah. Which of the following commands could tell you information about the IOS version on Hannah without establishing a Telnet connection to Hannah? (choose 2 answers) a)'show neighbors Hannah' b)'show cdp' c)'show cdp neighbors' d)'show cdp neighbors Hannah' e)'show cdp entry Hannah' f)'show cdp neighbors detail' ch10

EF

Which of the following describes a way to disable IEEE standard auto negotiation on a 10/100 port on a Cisco switch? a)Configure the 'negotiate disable' interface subcommand b)Configure the 'no negotiate' interface subcommand c)Configure the 'speed 100' interface subcommand d)Configure the 'duplex half' interface subcommand e)Configure the 'duplex full' interface subcommand f)Configure the 'speed 100' and 'duplex full' interface subcommands ch8

F


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