Related Questions
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4
The Hamming Distance for the codes generated using either even or odd parity will be------------------
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4
Destination physical address in ARP request is a ………………………….address.
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4
What can be used in the place of DNS to resolve host names to IP addresses?
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4
Which of the following can support many concurrent B-channel links and one 64 Kbps Dchannel?
A. ISDN Basic Rate Interface (BRI)
B. ISDN Primary Rate Interface (PRI)
C. Point-to-Point circuit (PPP)
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4
What does a patch cable connect to within an Ethernet network?
A. The patch panel to the hub
B. The patch panel to the wall jack
C. The wall jack to the computer
D. The NIC directly to another computer's NIC
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4
In flags message attribute, which of the following flag indicates that message has been
completed?
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4
You are browsing www.microsoft.com on a machine named host.contoso.org.. What is the order of domain name resolution?
A. Contoso.com, contoso.org, microsoft.com, com
B. Contoso.com, org, microsoft.org, org
C. Contoso.org, org, root [.], com, microsoft.com
D. Microsoft.com, com, org, contoso.org
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4
Which of the following is required to communicate between two computers?
A. Communications software
C. Communication hardware
D. All of the above including access to transmission medium
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4
UDP datagram has a header, which is of ________.
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4
Where are routing tables placed?
A. in network interface card
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4
Transmission medias are classified into two main categories, which are -------------- and --------------------.
D. synchronous, Asynchronous
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4
Which type of connector is used on 10Base2 networks?
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4
80 is the well-known port number for the HTTP service.
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4
How many layers are there in the OSI model?
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4
Which of the following protocols is described in RFC 793?
A. Address Resolution Protocol (ARP)
B. Transmission Control Protocol (TCP)
C. Bootstrap Protocol (BOOTP)
D. User Datagram Protocol (UDP)
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4
In Integrated services model, ________ corresponds to token bucket filter.
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4
What can be used in the place of DNS to resolve host names to IP addresses?
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4
What is attenuation?
C. loss of signal strength
D. unwanted signals on the network
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4
How many table entries are supported by global routing table in CIDR?
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4
Identify the topology and network type that uses a central hub with cables connected to workstations.
A. Physical star topology, Ethernet
B. Physical bus topology, Ethernet
C. Physical ring topology, token ring
D. Physical ring topology, Ethernet
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4
This mapping of name to IP address is done by …………………………….
A. Address resolution protocol
C. reverse address resolution protocol
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4
Which function is not supported by E-mail?
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4
Which of the following can provide a backbone network of 600 meters in length without using repeaters?
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4
If the organization allocates 10 bits as subnet number, to identify a physical network, then the organization can have at the most……………. networks and each of these networks that can support only…………………...hosts.
A. 1022 networks, 62 hosts.
B. 62 networks, 1022 hosts.
C. 4094 networks, 14 hosts.
D. 14 networks, 4094 hosts.
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4
………………….is a technique of conversion between the representation of digital data in user equipment and the corresponding signals transmitted over a communications channel.
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4
Which of the following are not the standard representations defined by Telnet protocol?
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4
How many number of host/machine can be attached to a network using a class B address?
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4
Pure ALOHA has a maximum throughput of -----------
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4
Which of the following protocols is described in RFC 793?
A. Address Resolution Protocol (ARP)
B. Transmission Control Protocol (TCP)
C. Bootstrap Protocol (BOOTP)
D. User Datagram Protocol (UDP)
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4
What is attenuation?
C. loss of signal strength
D. unwanted signals on the network