208.3 Implementing Squid as a Caching Proxy (weight: 2) LPIC-2 Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   Which authentication scheme in Squid sends the username and password in plain text (base64-encoded) over the network?

   • ADigest
   • BNegotiate
   • CBasic
   • DNTLM
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2. 17application · easy

   A Squid administrator wants to ensure that large files, such as video downloads, are not cached to save disk space. The default 'maximum_object_size' is 4 MB. They want to set a new limit of 1 MB for objects to be stored on disk. Which configuration directive should they use?

   • Aminimum_object_size 1 MB
   • Bcache_swap_high 1 MB
   • Cmaximum_object_size_in_memory 1 MB
   • Dmaximum_object_size 1 MB
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4. 18application · medium

   A Squid proxy server is experiencing high latency and slow response times. The administrator notices that the cache hit ratio is low and that Squid is frequently swapping to disk. The server has 16 GB of RAM, and the administrator wants to improve performance by using more memory for caching. Which parameter should be adjusted?

   • AIncrease the 'cache_swap_low' and 'cache_swap_high' values.
   • BIncrease the 'cache_mem' value to 4 GB.
   • CIncrease the 'request_header_max_size' value.
   • DDecrease the 'maximum_object_size_in_memory' value.
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5. 19application · medium

   A small business wants to deploy Squid as a proxy for its 20 employees. They want to require a username and password for internet access, but they do not have a central authentication server and want to keep the configuration simple. They are concerned about sending passwords in clear text over the internal network. Which authentication method should you configure?

   • ABasic authentication using a local password file managed by the 'htpasswd' utility.
   • BExternal authentication via an LDAP server.
   • CAnonymous authentication with IP-based ACLs.
   • DDigest authentication using a local password file managed by the 'htdigest' utility.
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6. 20application · easy

   A Squid administrator suspects that a specific client is generating excessive requests to a particular website, potentially indicating a misconfigured application. They need to identify the source IP, the requested URL, and the timestamp for each request. Which log format should they use to get this information?

   • AThe default Squid access.log format.
   • BThe 'access.log' with the 'common' log format.
   • CThe cache.log file.
   • DThe store.log file.
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