Cisco ICND2 200-105 Prüfungsfragen Prüfungsvorbereitung

200-105 Prüfung Interconnecting Cisco Networking Devices Part 2 (ICND2


Author: amelia aina
eBook
Pages: 1-222
Language: German
Publication date: 18.02.2019
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200-105 Testfragen, 200-105 Prüfungsunterlagen & Studienmaterial
Cisco ICND2 200-105 Prüfungsfragen Prüfungsvorbereitung it-pruefungen.com

Prüfungsnummer:200-105

Prüfungsname:Interconnecting Cisco Networking Devices Part 2 (ICND2 v3.0)

Version:V16.99

Anzahl:204 Fragen

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Inhalt der Prüfungsfragen:

1.Which protocol authenticates connected devices before allowing them to access the LAN?

A. 802.1d
B. 802.11
C. 802.1w
D. 802.1x

Answer: D
Explanation:
802.1X authentication involves three parties: a supplicant, an authenticator, and an authentication server. The supplicant is a client device (such as a laptop) that wishes to attach to the LAN/WLAN. The term 'supplicant' is also used interchangeably to refer to the software running on the client that provides credentials to the authenticator. The authenticator is a network device, such as an Ethernet switch or wireless access point; and the authentication server is typically a host running software supporting the RADIUS and EAP protocols.
The authenticator acts like a security guard to a protected network. The supplicant (i.e., client device) is not allowed access through the authenticator to the protected side of the network until the supplicant's identity has been validated and authorized. An analogy to this is providing a valid visa at the airport's arrival immigration before being allowed to enter the country. With 802.1X port-based authentication, the supplicant provides credentials, such as user name/password or digital certificate, to the authenticator, and the authenticator forwards the credentials to the authentication server for verification. If the authentication server determines the credentials are valid, the supplicant (client device) is allowed to access resources located on the protected side of the network.

2.Which statement about MPLS is true?

A. It operates in Layer 1.
B. It operates between Layer 2 and Layer 3.
C. It operates in Layer 3.
D. it operates in Layer 2.

Answer: B
Explanation: MPLS belongs to the family of packet-switched networks. MPLS operates at a layer that is generally considered to lie between traditional definitions of OSI Layer 2 (data link layer) and Layer 3 (network layer), and thus is often referred to as a layer 2.5 protocol.

3.What is a difference between TACACS+ and RADIUS in AAA?

A. Only TACACS+ allows for separate authentication.
B. Only RADIUS encrypts the entire access-request packet.
C. Only RADIUS uses TCP.
D. Only TACACS+ couples authentication and authorization.

Answer: A


4.Which statement about the IP SLAs ICMP Echo operation is true?

A. The frequency of the operation .s specified in milliseconds.
B. It is used to identify the best source interface from which to send traffic.
C. It is configured in enable mode.
D. It is used to determine the frequency of ICMP packets.

Answer: D

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