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Which is an adequate pairing of an intermediary device and its operational layer?


A) Switch - layer 3
B) Wireless access point - layer 2
C) Translational bridge - layer 3
D) Hub - layer 2
E) Router - layer 4

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B

The wireless access point must be a ________ device.


A) switch
B) bridge
C) router
D) repeater
E) hub

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Which is INCORRECT about the router?


A) The router uses its routing table to find an optimal delivery path of a packet.
B) Each network segment separated by the router becomes a subnetwork.
C) The router is generally considered as a layer 4 device.
D) Many routers come with both LAN and WAN ports.
E) The router's LAN port should be equipped with both MAC and IP addresses for networking.

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The switch table should contain _____ to forward frames.


A) exit ports and IP addresses
B) IP addresses and MAC addresses
C) MAC addresses and exit ports
D) exit ports and network IDs
E) MAC addresses and network IDs

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The media access protocol, CSMA/CD, is activated by the host station when it is connected to a _____.


A) switch
B) hub
C) bridge
D) either a switch or a hub
E) router

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Switches make switching decisions based on _______.


A) the destination's MAC address in a frame
B) the sender's IP address in a frame
C) the destination's socket in a frame
D) the sender's socket in a frame
E) the sender's MAC address in a frame

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Below table shows status summary of an intermediary device. Below table shows status summary of an intermediary device. -What type of network node should it be? A) Router B) Switch C) Bridge D) Server E) Hub -What type of network node should it be?


A) Router
B) Switch
C) Bridge
D) Server
E) Hub

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As for switching and routing, choose a CORRECT statement.


A) The internet layer is responsible for packet switching.
B) A logical path between two host stations is pre-determined in switching, making it connection-oriented.
C) The data link layer is responsible for packet routing.
D) A logical path between two host stations is pre-determined in routing, making it connection-oriented.
E) Switching assumes the availability of multiple delivery paths.

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The router may NOT have a built-in _______.


A) CPU
B) random access memory
C) operating system
D) modem
E) LAN or WAN port

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Choose an INCORRECT statement regarding the LAN switch.


A) It has frame collisions oftentimes.
B) It can establish several concurrent connections between any two host stations.
C) Each switch port should be given a unique MAC address to function.
D) When a network runs on switches, the CSMA/CD protocol is disabled in the computer's NIC.
E) The switch is able to broadcast frames if necessary.

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Non-managed and managed switches differ in terms of their ability to


A) change between the switch mode and the router mode.
B) change switch configurations.
C) change between store-and-forward and cut-through switch mode.
D) change between the switch mode and the bridge mode.
E) change between the error detection mode and the non-detection mode.

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Which intermediary device does NOT need its own Operating System (OS) ?


A) Hubs
B) Switches
C) Routers
D) Wireless access points
E) Bridges

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Which is INCORRECT about routers?


A) The router uses its routing table to find an optimal delivery path of an IP packet.
B) Each network separated by the router becomes a broadcast domain.
C) The router generally forwards broadcasted IP packets.
D) Routers generally come with both LAN and WAN ports.
E) The router's LAN port should be given both MAC and IP addresses for networking.

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When switching and routing are compared:


A) Both are data link layer operations.
B) Networks relying on switching can be more vulnerable to a single point of failure than those relying on routing.
C) Both are internet layer operations.
D) Switching is a connection-less, but routing is connection-oriented in forwarding user data.
E) Both switching and routing presume availability of multiple active delivery paths between two hosts.

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B

Collision domains are divided by a:


A) Switch
B) Repeater
C) Router
D) Access point
E) Hub

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Below table must be a(n) ___________ .  Internet address  Physical address  Interface(port)  172.16.10.100−23−4C−6 A−64−29 FastEtherneto/0 172.16.5.100−23−4C−6D−7 B−EF Fastherneto/1 172.16.7.100−23−4C−2C−8 A−DE FastEtherneto/2 \begin{array} { | c | c | c | } \hline \text { Internet address } & \text { Physical address } & \text { Interface(port) } \\\hline 172.16 .10 .1 & 00 - 23 - 4 \mathrm { C } - 6 \mathrm {~A} - 64 - 29 & \text { FastEtherneto/0 } \\\hline 172.16 .5 .1 & 00 - 23 - 4 \mathrm { C } - 6 \mathrm { D } - 7 \mathrm {~B} - \mathrm { EF } & \text { Fastherneto/1 } \\\hline 172.16 .7 .1 & 00 - 23 - 4 \mathrm { C } - 2 \mathrm { C } - 8 \mathrm {~A} - \mathrm { DE } & \text { FastEtherneto/2 } \\\hline\end{array}


A) bridge table
B) switch table
C) address resolution protocol table
D) repeater table
E) hub table

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Imagine a non-blocking Ethernet switch with 24 ports, each port with a speed of 100Mbps. What can be the switch's aggregate throughput?


A) 24 ports
B) 100 Mbps
C) 200 Mbps
D) 2400 Mbps
E) 4800 Mbps

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'Address learning' and 'address aging' must take place in ______ .


A) switches
B) repeaters
C) hubs
D) routers
E) gateways

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A

What protocol is being used by the source computer, 172.20.1.1, in sending out the request? What protocol is being used by the source computer, 172.20.1.1, in sending out the request? A) Domain name system protocol (DNS) B) Address resolution protocol (ARP) C) Internet control message protocol (ICMP) D) Dynamic host configuration protocol (DHCP) E) MAC resolution protocol (MRP)


A) Domain name system protocol (DNS)
B) Address resolution protocol (ARP)
C) Internet control message protocol (ICMP)
D) Dynamic host configuration protocol (DHCP)
E) MAC resolution protocol (MRP)

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Which is a layer one intermediary device?


A) bridge
B) switch
C) router
D) gateway
E) hub

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