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WorksheetsL2 - Computer Networks 1/2
Total questions: 14
Worksheet time: 70secs
Name
Class
Date
1.
Convert Mbps to bps → 1024^2 B
a)
true
b)
false
2.
A TCP connection between a client and a server requires a minimum of how many RTTs?
a)
1
b)
2
c)
3
d)
4
e)
5
3.
In the Internet, the host is identified by its
a)
IP address
b)
DNS
c)
Socket
d)
Port
4.
<br />HTTP (HyperText Transfer Protocol) is defined in which RFC?
a)
RFC 2617
b)
RFC 2615
c)
RFC 2618
d)
RFC 2616
e)
RFC 2620
5.
Type of HTTP connections that keeps connections open after a request to the server
a)
persistent connections
b)
canonical hostname
c)
non-persistent with parallel connections
d)
non-persistent connections
6.
type of HTTP connections that closes after each request from the client
a)
Non-Persistent Connections
b)
Persistent Conn
c)
Persistent Connections without Pipelining
d)
Persistent Connections with Pipelining
7.
an HTTP server is stateless
a)
true
b)
false
8.
One of the most compelling features of P2P architectures is their
a)
always-on server
b)
permanent IP address
c)
self-scalability
d)
data centers for scaling
e)
communicate with server
9.
HTTP server port number
a)
60
b)
70
c)
80
d)
90
e)
100
10.
Mail server port number
a)
15
b)
25
c)
35
d)
45
e)
55
11.
What transport service does an app need?
a)
data integrity
b)
throughput
c)
timing
d)
security
e)
All is correct
12.
TCP service
a)
reliable transport, flow control
b)
congestion control
c)
connection-oriented
d)
does not provide: timing, minimum throughput guarantee, security
e)
All is correct
13.
UDP service does not provide
a)
reliability, security, or connection setup
b)
flow control
c)
congestion control
d)
timing, throughput guarantee
e)
All is correct
14.
UDP application?
a)
streaming multimedia and Internet telephony
b)
file transfer
c)
Web
d)
remote terminal access
e)
e-mail
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