Question # 1
| You have an Aruba Mobility Controller (MC) that is locked in a closet. What is another step
that Aruba recommends to protect the MC from unauthorized access? | | A. Use local authentication rather than external authentication to authenticate admins.
| | B. Change the password recovery password.
| | C. Set the local admin password to a long random value that is unknown or locked up
securely.
| | D. Disable local authentication of administrators entirely. |
B. Change the password recovery password.
Explanation:
Protecting an Aruba Mobility Controller from unauthorized access involves several layers of
security. One recommendation is to change the password recovery password, which is a
special type of password used to recover access to the device in the event the admin
password is lost. Changing this to something complex and unique adds an additional layer
of security in the event the physical security of the device is compromised.
Question # 2
| You have an Aruba Mobility Controller (MC). for which you are already using Aruba
ClearPass Policy Manager (CPPM) to authenticate access to the Web Ul with usernames
and passwords You now want to enable managers to use certificates to log in to the Web
Ul CPPM will continue to act as the external server to check the names in managers'
certificates and tell the MC the managers' correct rote
in addition to enabling certificate authentication. what is a step that you should complete on
the MC? | | A. Verify that the MC has the correct certificates, and add RadSec to the RADIUS server
configuration for CPPM | | B. install all of the managers' certificates on the MC as OCSP Responder certificates | | C. Verify that the MC trusts CPPM's HTTPS certificate by uploading a trusted CA certificate Also, configure a CPPM username and password on the MC | | D. Create a local admin account mat uses certificates in the account, specify the correct
trusted CA certificate and external authentication |
C. Verify that the MC trusts CPPM's HTTPS certificate by uploading a trusted CA certificate Also, configure a CPPM username and password on the MC
Explanation: To enable managers to use certificates to log into the Web UI of an Aruba
Mobility Controller (MC), where Aruba ClearPass Policy Manager (CPPM) acts as the
external server for authentication, it is essential to ensure that the MC trusts the HTTPS
certificate used by CPPM. This involves uploading a trusted CA certificate to the MC that
matches the one used by CPPM. Additionally, configuring a username and password for
CPPM on the MC might be necessary to secure and facilitate communication between the
MC and CPPM. This setup ensures that certificate-based authentication is securely
validated, maintaining secure access control for the Web UI.
Question # 3
| What purpose does an initialization vector (IV) serve for encryption? | | A. It helps parties to negotiate the keys and algorithms used to secure data before data
transmission. | | B. It makes encryption algorithms more secure by ensuring that same plaintext and key
can produce different ciphertext. | | C. It enables programs to convert easily-remembered passphrases to keys of a correct
length. | | D. It enables the conversion of asymmetric keys into keys that are suitable for symmetric
encryption. |
B. It makes encryption algorithms more secure by ensuring that same plaintext and key
can produce different ciphertext.
Explanation:
The primary purpose of an Initialization Vector (IV) in encryption is to ensure that the same
plaintext encrypted with the same encryption key will produce different ciphertext each time
it is encrypted. This variability is crucial for securing repetitive data patterns and preventing
certain types of cryptographic attacks, such as replay or pattern analysis attacks. The IV
adds randomness to the encryption process, making it more secure by ensuring that
encrypted messages are unique, even if the plaintext and key remain unchanged. This
prevents attackers from deducing patterns or inferring any useful information from repeated
ciphertext.
Question # 4
| What correctly describes the Pairwise Master Key (PMK) in thee specified wireless security
protocol? | | A. In WPA3-Enterprise, the PMK is unique per session and derived using Simultaneous
Authentication of Equals.
| | B. In WPA3-Personal, the PMK is unique per session and derived using Simultaneous
Authentication of Equals.
| | C. In WPA3-Personal, the PMK is derived directly from the passphrase and is the same tor
every session.
| | D. In WPA3-Personal, the PMK is the same for each session and is communicated to
clients that authenticate |
A. In WPA3-Enterprise, the PMK is unique per session and derived using Simultaneous
Authentication of Equals.
Explanation: In WPA3-Enterprise, the Pairwise Master Key (PMK) is indeed unique for
each session and is derived using a process called Simultaneous Authentication of Equals
(SAE). SAE is a new handshake protocol available in WPA3 that provides better security
than the Pre-Shared Key (PSK) used in WPA2. This handshake process strengthens user
privacy in open networks and provides forward secrecy. The information on SAE and its use in generating a unique PMK can be found in the Wi-Fi Alliance's WPA3 specifications
and related technical documentation.
Question # 5
| What is the purpose of an Enrollment over Secure Transport (EST) server? | | A. It acts as an intermediate Certification Authority (CA) that signs end-entity certificates. | | B. It helps admins to avoid expired certificates with less management effort. | | C. It provides a secure central repository for private keys associated with devices' digital
certif-icates. | | D. It provides a more secure alternative to private CAs at less cost than a public CA. |
B. It helps admins to avoid expired certificates with less management effort.
Explanation: EST (Enrollment over Secure Transport) is a protocol designed to streamline
the certificate management process. It enables automated and secure enrollment, renewal,
and revocation of digital certificates, which significantly reduces the management overhead
typically associated with digital certificates. With EST, administrators can more easily
manage certificates' lifecycle, ensuring that expired certificates are promptly replaced or
renewed without significant manual intervention.
Question # 6
| What is one practice that can help you to maintain a digital chain or custody In your network?
| | A. Enable packet capturing on Instant AP or Moodily Controller (MC) datepath on an ongoing basis
| | B. Enable packet capturing on Instant AP or Mobility Controller (MC) control path on an ongoing basis.
| | C. Ensure that all network infrastructure devices receive a valid clock using authenticated NTP
| | D. Ensure that all network Infrastructure devices use RADIUS rather than TACACS+ to authenticate managers
|
C. Ensure that all network infrastructure devices receive a valid clock using authenticated NTP
Question # 7
| What is social engineering? | | A. Hackers use Artificial Intelligence (Al) to mimic a user’s online behavior so they can
infiltrate a network and launch an attack. | | B. Hackers use employees to circumvent network security and gather the information they
need to launch an attack. | | C. Hackers intercept traffic between two users, eavesdrop on their messages, and pretend
to be one or both users. | | D. Hackers spoof the source IP address in their communications so they appear to be a
legitimate user. |
B. Hackers use employees to circumvent network security and gather the information they
need to launch an attack.
Explanation: Social engineering in the context of network security refers to the techniques
used by hackers to manipulate individuals into breaking normal security procedures and
best practices to gain unauthorized access to systems, networks, or physical locations, or
for financial gain. Hackers use various forms of deception to trick employees into handing
over confidential or personal information that can be used for fraudulent purposes. This
definition encompasses phishing attacks, pretexting, baiting, and other manipulative
techniques designed to exploit human psychology. Unlike other hacking methods that rely
on technical means, social engineering targets the human element of security. References
to social engineering, its methods, and defense strategies are commonly found in security
training manuals, cybersecurity awareness programs, and authoritative resources like
those from the SANS Institute or cybersecurity agencies.
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