Suppose that you have a string variable filename that contains the name of a text file. What statements would you write to create a reader variable named rd that you could then use to read lines from this file?
What will be an ideal response?
```
BufferedReader rd = new BufferedReader(new FileReader(rd));
```
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Using _____, a supplier can use radio frequency identification (RFID) tags on each crate, case, or shipping unit to create a digital shipping list.
A. EPOD (electronic proof of delivery) B. PPOD (physical proof of delivery) C. RPS (radio positioning system) D. RDS (radar detection system)
You recently completed a network overhaul over the weekend. Everything seems to be functioning properly until you receive a swarm of help desk support requests, all originating from one specific floor in your building. After a few minutes on the phone with those affected, you determine that no one has indicator lights active on their NICs. What is the most likely problem?
A. The DHCP server has failed. B. A gateway is incorrectly configured. C. Static IP address settings have prevented the NIC from entering a usable state. D. A network switch is powered off.
A SQL query to joins two tables. When tables appear in the FROM clause, you can give each table a(n) ____, or an alternative name, that you can use in the rest of the statement.
A. pseudonym B. alias C. variable D. locus
At the top of the DNS server hierarchy are the ____ servers that publish a directory of the next level of DNS servers.
A. local caching B. authoritative C. root name D. namespace