Topic 1: Exam Pool A
desc about topic
In software-defined architecture, which place handles switching for traffic through a Cisco
router?
A.
Control
B.
Management
C.
Data
D.
application
Data
Explanation: Data plane—Handles all the data traffic. The basic functionality of a Cisco
NX-OS device is to forward packets from one interface to another. The packets that are not
meant for the switch itself are called the transit packets. These packets are handled by the
data plane
Which type of address is the public IP address of a NAT device?
A.
outside global
B.
outsdwde local
C.
inside global
D.
insride local
E.
outside public
F.
inside public
inside global
Explanation: NAT use four types of addresses:* Inside local address – The IP address
assigned to a host on the inside network. The address is usually not an IP address
assigned by the Internet Network Information Center (InterNIC) or service provider.This
address is likely to be an RFC 1918 private address.* Inside global address – A legitimate
IP address assigned by the InterNIC or service provider that represents one or more inside
local IP addresses to the outside world.* Outside local address – The IP address of an
outside host as it is known to the hosts on the inside network.* Outside global address –
The IP address assigned to a host on the outside network. The owner of the host assigns
this address.
Which CRUD operation corresponds to the HTTP GET method?
A.
read
B.
update
C.
create
D.
delete
read
Explanation: GET: This method retrieves the information identified by the request URI. In
the context of the RESTful web services, this method is used to retrieve resources. This is
the method used for read operations (the R in CRUD).
https://hub.packtpub.com/crud-operations-rest/
Which type of wireless encryption is used for WPA2 in preshared key mode?
A.
TKIP with RC4
B.
RC4
C.
AES-128
D.
AES-256
AES-256
Explanation:
We can see in this picture we have to type 64 hexadecimal characters (256 bit) for the
WPA2 passphrase so we can deduce the encryption is AES-256, not AES-128.
What is the difference regarding reliability and communication type between TCP and
UDP?
A.
TCP is reliable and is a connection-oriented protocol UDP is not reliable and is a connectionless protocol
B.
TCP is not reliable and is a connection-oriented protocol; UDP is reliable and is a connectionless protocol
C.
TCP is not reliable and is a connectionless protocol; UDP is reliable and is a connectionoriented
protocol
D.
TCP is reliable and is a connectionless protocol; UDP is not reliable and is a connectionoriented
protocol
TCP is reliable and is a connection-oriented protocol UDP is not reliable and is a connectionless protocol
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